Photography reference
Time-O-Lite Product booklet
Product booklet for Time-O-Lite. 22 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Time-O-Lite
- Model / document
- Time-O-Lite
- Document type
- Product booklet
- Language
- English
- Pages
- 22
- File size
- 5.3 MB
- Category
- Photography reference
- Document date
- Not specified in catalog
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Page 1 · Read text
TIME-@.LITE
,,KNOWN THE WORI.D OYER"
INSTNUGTION MANUAI.
lzA.. tl{D U ST.Rmt
@View original page 1Page 2 · Read text
You ore noYv the proud owner of
q TIME-O-LITE, known the world
o"er cs o fine. precision instrumenf. ,
Time-O-Lites crre used cnd grcrving, electroplcrting, in-
recognized throughout the ductionhecrting,doughmix-
world be- irg, chemiccl
ccuse they agitcrtion
have proved TABI.E OF CONIENTS and plcstic
t he mselves molding.
to be lcrsting, YourTime-O-
indispen- Lite is design-
sqble crids for ed to help
better photo- you mcrke
graphic pro- better photo-
cessingr. Sim- graphic
ilar timers, prints with-which we mcnufaeture, ctre out q chance of spoiling
used by the lecding firms them due to under or over
in every industry for hun- exposure. It will scve you
dreds of cpplications such time, money crnd pqper.
crs electronic tube control, You'll find it eqsier to get
blue printing, photo-en- good prints because yourView original page 2Page 3 · Read text
Time-O-Lite qssures you of Lite for unguestioned ctc-
split-second qccurccy time curacy and long life.
qlter time. All this, with.the you,ll be interested in oI c'ltenllon'-"-Tt^r*-otttctno euort. other Time-O-Lite products.r, ,n. . r.r !_ No matter which one youfOUf neW Ilme-(J-LIIe lS r r r . .rrr rr f rr l - nc[veflovr,rec[c[ctl)oulolnertne result oI IJ yeqrs oI ex- __r_r_ ! rr . r Inrs m.'nuc'l'perience, reseqich cnd im- T:-1t:- ^t"is- designed to doprovement in timing con- I":! specific".lt photo-proce$lng cirol devices. it ir J.iig".a Nextiot ttt"r. potti""f"r p.tpf. control iob for you' time you go to your cqmerctwho *ottf the finest in piro-
totogrcphic equipment. It is store, csk your dealer Time-O-o i,ticble, ind'ustricl-type thow yog othermechcrnism built to wilfr- Lite products. He'll help
stcrnd hard usage lor yecrs. you plcn cr reclly modern
Depend on your Time-O- dqrkroom.
Tf,S EASY TO USE A TIME-O-LITE
This instruction mcrnucrl hcs been prepcrred to help you use
your Time-O-Lite correctly crnd ef{iciently. The instructions crre
simple cnd ecrsy to follow. Pleose reqd them ccrrefully so that
you ccrn get the mcrximum vqlue ond plecrsure from the preci-
sion instrument you now possess.
INDUSTNIAT TIMER CORP. I t4 EDISON PTACE . NEWARK, N. l.View original page 3Page 4 · Read text
Red Outlel
Poinler Knob
Time Seleclor Black Ouflel Focus Switch
Push Bullon
Your new Time-O-Lite Professionql is T. FOR USE WITH ENTARGER
especiolly designed to mqke your dork- cr. tnsert plug ol enlcrger cord in black
room work eqsier. It is cr dependoble, receptccle of TIME-O-LITE' It con-
automctic time control mechanism' Now trols clll current going to the en-
you ccn be sure of positive cccurccy in lorger, cord of TIME-O-LITE plug on b. Insertprocess control. You'll lind it scves you for current receptccle into wcrll
time <rnd photogrclPhic PcrPer. supply.
The Time-O-Lite Prolessionql is verscr- To locus negcrtive-opercrte toggle
tile. It moy be used to control Your switch to "Focus" position. Thig
enlcrrger qlone, to control the enlorger turns light on in enlcrrger without mechcrnism. the timing stcntingwith footswitch, <rnd to control your opercrte When negcrtive is locused
contcrct printer. It operotes in any posi- toggle switch to "Time" positiou.
tion-mcry be hung on the wall bY keY
holes in the ccse. d. Set time selector to the number of
seconds (time intervql) required.
Your Time-O-f,ife will opercle occurole- TIME-O-LITE now is recrdy to worL.
Iy only iI your currenf and voltage con-
lorm with specificofions on lhe nqrne' Press "Push" button. TIME-O-UTE
plote cftcched to lhe back of lhe cose. will do the rest cruiomcticcrlly.View original page 4Page 5 · Read text
Venmo @mike-butkus-camera Ph. 2083 PayPal Name Lynn@butkus.org www.PayPal.me/lynnbutkusView original page 5
Page 6 · Read text
I
Frgure II
Wallt@Socket
Digitally signed by Mike Butkus
DN: cn=Mike Butkus, o=Butkus camera manuals, ou=butkus.
org, email=mike@butkus.org, c=US Mike Butkus Date: 2023.11.25 20:39:51 -05'00'
L TIMT.O LITI
II. FOR USE WITH ENTANGER AND O-tlTE. The push button need not
FOOTSWITCH (see ligure l) be used.
c. CAUTION: c SHOBTED plug must III. FOR USE WITH CONTACT PRINT.
be used with TIME-O-IITE cnd ERS (see figures 2 d 3)
only in the lollowing mcnner: c. Minor chcrnges in wiring must be
"insert shorted plug into outlet on mqde in contact printers when they
foot switch into which the en- crre controlled by TIME-O-LITE. Fig-
lcrrger line cord is usuolly in- ure 2 shows the usuql connections
serted." of o contact printer. The chonged
wiring is shown in Figure 3. These Nore: A shorted plug mcy be mcde
by connecting the two termin- cncnges
ols ol crn ordincry electrical b. Connect wires from plcrten or mo-
plug with a short piece ol wire. mentcrry contqct switch to cr plug
crnd insert plug into RED receptccle
b. Insert plug on line cord ol enlcrger on TIME-O-LITE. into BLACK receplccle ol TIME-O- LITE. c. Connect wires lrom white lcrmps to cr plug and insert plug in BLACK
c. Insert plug on cord from foot switch receptcrcle on TIME-O-LITE.
into RED receplccle oI TIME-O-LITE. d. Connect wires from red lcrmp to o
d. The loot switch now opercrtes TIME- plug cnd insert in woll receptocle.View original page 6Page 7 · Read text
Ftgure 2
warrsocret ,18
Printer
-Contact
www.butkus.us
e. Insert plug on cord of TIME-O-LITE ry. GENERAT
in woll receptqcle. cr. TOGGLE SWITCH-The toggle
To focus with red lomp-use switch switch, when operated into the
which now controls red lomp only. down or "Focus" position, permits
current to flow continuolly to the
g. To focus with white lcrmps-throw light without opercrting the timer. switch on TIME-O-LITE to "Focus" When opercted into the up or position.
"Time" position, it cuts off currenl
Irom the light cnd makes the TIME-h. When negcrtive is focused throw switch on TIME-O-LITE to "Time" O-LITE recrdy for operction by
position. meqns ol the "Push" butlon.
b. DIAL AND SETTING ARMS-Thet. Set pointer on TIME-O-IITE to the
number of seconds (time interval) dial has two sccrles with clecr scole
wcrnted. divisions crnd lcrge figures.View original page 7Page 8 · Read text
The outer scqle is used for setting the time intervcl it is only necesscuy
the lime intervql. to re-press the push button.
such The long white pointer should be d. Operotion of the pilot circuit
moved to the desired time setting os push button, foot switch or plcten
on this scale. heod starts TIME-O-LITE which con-
trols the time of exposure auto-
The inner scqle is provided to moticolly.
permit qccurqte determinqtion of e. TIME-O-LITE uses current only dur- the elcrpsed time. The red pointer ing focusing cnd printing opero- will move counter-clockwise, from tions, so it is not necessqry to dis- the set point to zero crs the tirne connect it from wqll receptccle intervql elopses. The light goes out when not in use. when the red pointer recrches zero.
TIME-O-LITE is a precise time meqs-
c. PUSH BUTTON-The "Push" button uring instrument, cnd while it is of
is used to stqrt lhe tirne intervql. unusucrlly rugged construction cnd
The instont it is pressed the time may be opercrted in crny position, it
interval begins crnd the light goes should not be mishondled.
on. The light goes o{l automcrticolly
ct the end of the set time intervql. 9t. Key holes cre provided in the bcck
Pressing the button during the time ol the cose lor wall mounting il
intervql will not ollect it. To repeot desired.
,
rA\View original page 8Page 9 · Read text
Pointer Knob
Time Selecfor
Toggle Swifch
Here's cr timer that will ctssure you ol 2. Opercrte Toggle switch to "On" posi-
perfect ctccurqcy lor yeors to come' Set tion.
it for intervols lrom I to 60 minutes, qnd 3. Turn BLACK pointer knob to timethe second the time is uP, q buzzer cycle required.sounds until you turn it ofl-you ccrn'tforget it. Your Signcling Time-O-Lite is 4. At the end of the time cycle the
verlqtile-both in photogrcrphy, indus- buzzer sounds until manuclly turnedtri<rl qnd household cppliccrtions. It con olf by initiotir.g another timed cvcle
be used crnywhere th<rt occurcrte timing or operoting toggle switch to "Ofl"
is essentiql photo developing, color position.sepcnction processing,- sun l<rmp, X-Roy 5, An crdjustcrble bcrck stop is provided
ond diothermy timing ond mcrny indus- {or rcrpid resetting in totol dcrrkness.
tricrl processes. And keep it crwcy lrom To set the bock stop grosp the redthe cook ol the house ! It's perlect t for knob and set the time selector topressure cooking cnd bcking. the desired time intervql.
Your fime-O-Life will operole occurole- 5. Operate BLACK pointer knob to the
Iy only iI your currenf and voltoge con- right until it is stopped by the bcck
torm with specificctions on lhe nome' stop.
plcrte ottcched to fhe bqck of fhe cose.
GENERAT
INSTRUCTION The Sign<rling Time-O-Lite ccrn be op- ercted in any position. Key holes cre
l. Insert line cord of Signcrling Time- provided ot the rean ol the cqse lor O-Lite into wcrll outlet. wcll mounting.View original page 9Page 10 · Read text
The TIME-O-IITE HI-LO SWITCH Per' d. Never use more thqn lour Photo-
mits photollood lights to be used- crt Ilood lights on one HI-LO SWITCH.
either full or hqlf normal intensity' Ufe e. The normcrl load the HI-IO SWITCH
of photofloods is prolonged many times will hcndle is two #4 Photolloods
becquse they cre burned ct full inlen- or lour #2 photolloods.
siiy only during actual exposure. You 3. Toggle Switch-The HI-I.O SWITCH
will find thcrt lights do not blacten crs uses c hecvy dutY three'wcY tog'
rcpidly as when they cne burned qt gle switch which controls tha Pho'
Iull voltoge ond portrcdt subjects crre toflood lights.not lorced to endure harsh glcrre wbile cr. Cenfer Position (Off)-All current
the picture is being composed cnd going to the photoflood lights ts
focused. disconnected.
GENERAL INSTRUCTIONS b. Down Position (Low)-The photo-
l. Insert line cord oI HI-LO SWITCH floods crre in series with ecch other.
into wctll receptcrcle. The light intensity is reduced nore
2. Plug photoflood lights into recep- thqn 50%.
tqcEs on side ol HI'LO SWITCH. c. Ui Position (High) The photo-cr. The HI-IO SWITCH will control lloods cre in pcrrcrllel- with eqch
either two Photofloods or four Pho- other qt full intensity.
tofloods. Never one or three. You will lind your TIME-O-LITE HI-IO
b. When two Photofloods ore used SWITCH will give you cm exlremely
they should be Plugged into the long Iife il you will opercrte the switch
receptcrcles-one on eqch side of to the low position first before throwing
the ccrse. to the high position. This allows c pho-
c. When lour photofloods cre used they tollood preheqt period crnd crssures q
should be Plugged into lhe receP- longer lcrmp cnd switch life.
tqcles - two on ecch side ol the ccrse.View original page 10Page 11 · Read text
Pointer Knob Block Outlet
fime Seleclor
Focus Switch Push Button
www.butkus.us
You've mode cn investmenl in qccurqcy To locus negcrtive-operate toggle
in vour Time-O-Lite Mcster' It is de- switch to "Focus" position. This
siqned qnd built for one thing-to give turns light on in enlcrrger without
yJu c dependcble, crutomqtic mecrns of stcrrting the timing mechanism.
iontrolling time of exposure. With cl When negctive is locused opercte
Time-O-Lite, split-second timing is ct toggle switch to "Time" poaition.simple mctter. And you'll lind it scrves
you time, trouble cnd photognophic d. Set time selector to the number ofpqper. seconds (time intervql) required.
TIME-O-LITE is now recdy to work.Your Time-O-Lite will opercte cccurole'
Iy only iI yout currenl and voltage con'Iorm with specificalions on the ncrne' Press "Push" button. TIME-O-LITE
plote cf{cched to lhe bacJ< of fhe cose. will do the rest automcrticcrlly.
T. FON USE WITH ENTABGEN
q. Insert plug ol enlorger cord in black II. GENERAT
receptocle of TIME-O-LITE. It con- q. TOGGTE SWITCH-The t o s gl e trols oll current going to the en- switch, when opercted into the down
lcnger. or "Focus" position permits current
to flow continuolly to the light with-
b. Insert plug on cord of TIME-O-LITE out operoting the timer. When oper-
into wqll receptccle lor current crted into the up or "Time" position,
supply. it cuts olf current from the light cnrd
t0View original page 11Page 13 · Read text
Handle DISCONTINUED
PIo,ten
Paper Holder Knob
------:Pcper ond Negolive Holder Masking Sfrip Knob
Scoles Masking Strip
Top Be/eose Euflon Poinfer Knob
lndicoting Light
Time Selector Toggle Switch
5" x7" Printing Arecr
Your new TIME-O-LITE PRINTER is de- Iorms to the specificclions on the
signed to help you mcke better photo- nqme plcte crttcrched to the bacL oI
grcrphic prints without cr chance ol the cqse.
spoiling them due to under or over- b. Insert the line cord of the TIME-O- exposure. You will lind it scves you LITE PRINTER into woll receptccle time, trouble, cnd photogrcrphic pcper. for current supply. Mcke sure thctt You'll lind it eqsier to get good prints the line cord plug is held tightly in beccruse your TIME-O-LITE PRINTER the receptccle. qssures you split-second accurccy time
olter time, cll this with the lecrst
qmount ol attention qnd efiort. OPERATION
INSTNUCTIONS L Three-Position Toggle Switch
<r. Your TIME-O-LITE PRINTER will c. CENTER POSITION (OFF) all cur-
opercte sqtisfqctorily only if your rent going to the printer is discon-
current cmd voltcrge supply con- nected.
t2View original page 13Page 14 · Read text
(ON) white with four mosking striPs qnd two b. DOWN POSITION printer lights qre on continuously' ccrlibroted scqles.
c. ItP POSITION (TIME) red s<rfelisht b. The mcrsking strips cllthough lcrctory is on and the timer circuit is con- crdjusted mcry be recrligned ,bY
nected, recrdy lor the opercrtion o{ loosening the two screws on either
the white Printer lights. side of the mcrsking striP knobs.
bu
I c. Line the mcrsking strips up with the
I II. Timer Setting cnd OPerction side of the printing glcrss crnd re- { tighten the screws.bj cr. Set the time selector to the number of seconds required (Time inter- d. The sccles qre calibrcrted at one-
vol). TIME-O-LITE PRINTER is reodv hcrll sccle in inches.
io work.
the <rnd bring the hcndle b. Grcsp IV. Pcrper cnd Negcrtive Holder cqtch plcrten until the plcten down
is operated; this automoticolly oPgr- cr. Stcrndcrrd equipment on the TIME-
ates the Plcrten switch, turns the O-LITE PRINTER is the PoPer crnd
white lights on, opercrtes the timer, negcrtive holder crnd mcY be used
crnd iurns on the indiccrting pilot in the lollowing mqnner when set- light. The Pointer knob will move ting up lor printing:
counter-clockwise lrom the set point
to zero crs the time intervcrl elcpses' l. Set the mcrsking strips for the size
picture required. com- c. When the timed interval is the ond lights white pleted the PdN holder for the size Set the in- 2. Pointer go off. pilot light dicotittg required. border qnd zero knob moves Point Pcrst
stops. 3. Insert the negctive under the P&N
d. Lilt the platen hcrndle; this releqses holder ond on top ol the mcrsking the plcten ccrtch. When the Plcten strips. The tension ol the PdN holder cotch is releqsed the timer resets will hold the negcrtive in position.
qnd is recrdy for crnother operotion' 4. II o lcrge number of photogrcrphs
cre required from the sqme negfcl-
III. Mcsking StriPs qnd Scqles tive,loweraright-hcndpiece ol Scotchcorner tcrPeol theinneg-the
cr. TIME-O-LITE PRINTER is provided ctive will hold it tight indefinitely.
13View original page 14Page 16 · Read text
Handle
I
i
I Ploten
i Pcper Holder Knob
?oper ond Negotive Holder Masking Slrip Knob
ScoJes Moskingr Strip
:J I Top Releose Eufton
Poinfer Knob
Indicatinq Light
?ime Seleclor Toggle Swilch
Diflusion Control Knoj
I Intensity Control Knob www.butkus.us
8" x 10" Printing Arec
Your new TIME-O-LITE PRINTER is de- I. Intensity Control
signed to help you make better photo- The intensity control knob on the left
. grcphic prints without ct chonce ol side of the timer-housing controls spoiling them due to under or over- the qmount ol current going into the exposure. You will find it sqves you lomps ol your printer. it controls the time, lrouble, qnd photogrcrphic- pctper. Kelvin temperoiure of the lomps crnd
You'll lind it ecrsigr_ to_ g_et__gog{_p-11t: allows yon to use the light inlensity
beccruse your _ TIME-O-LITE PRINTER best suited to the negotive! i crssures .you split-second cccurccy time
crlter time, crll this with the lecrst lI. Dillusion Control
crmount of crttention crnd e{lort. The diflusion knob on the right of
INSTRUCTIONS AND the timer-housing roises or lowers
OPERATION the Opol Dilfusing Glcrss ct the touch
The instructions for crnd opercrtion ol . ol cr linger. It does crway with "shelv-
your Time-O-Lite Printer, Model 80, crre ing" crnd crllows you to dilfuse dense
identicql to those lor the Model 35 on spots on the negcrtive out ol the linol
p. 12 with these two odditions. print.
l5View original page 16Page 17 · Read text
Hondle
Plolen
a
I
, Poper Holder Knob
?oper ond Negofive Holder Masking Slrip Knob
Scqles Mcskingr Strip
Top Beleose Buflon
Poinler Knob
Indicating Light
Time Seleclor Toggle Switch Diflusion Control Knob
Intensity Conttol Knob
8" x 10" Printing Arec
Your new TIME-O-LITE PRINTER is de- I. Intensity Conirol
signed to help you mcrke better photo- The intensity control knob on the lelt
- gr"ophic prinis without ct chance of o{ the timer-housing controls
Jpoiting fhem due to under or over- "ia.the amount o{ current going into the
a exposuie. You will iind it sqves you lomps ol your printer' It controls the
lime, trouble, qnd photogrcrphic pcrper' Kelvin temperoture ol the lomps ond
Youtll lind it ecrsier to get good prints crllows you to use the light intensity
becquse Your TIME-O-LITE PRINTER best suited to the negcltive!
cr-ccur-ccy ctsSUres .you split-second It' the -timelecrst II. Dillusion Control crll this with crlter time,
cmount of crttention cnrd elfort' The dillusion knob on the right of
INSTRUCTTONS AND the timer-housing roises or lowers
OPERATION the Opcl Dillusing Glass ot the- t-o"."h
The insiructions lor crnd opercrtion ol ol o linger. It does crway with "shelv-
your Time-O-Lite Printer, Model 80, ore ing" ond allows You to dilluse dense ott the negative out ol the linol the Model 35 on lor those identiccrl to print."p'otr cdditions. two these p. 12 with
l5View original page 17Page 18 · Read text
Pointer Knob Receplocle
Toggle Switch
Pilot Lisht Line Cord
Your Vqrilite wqs designed to control b. Controls the Kelvin tempercrture oI
the amount ol current going into the enlcrger lomp.
lcmp ol your enlcrrger or contqct print-
er. It will control crny lcmp or combi- c. Allows the enlclrger to be used at required diaphrom opening, thusnqtion ol lcrmps from 100 to 300 watts, reducing depth of lield in negctive
cqrrier crreq ond prevents condenser
cr. Allows the use of high intensity en- lens delects lrom being brought
lcrrger lcmp S2I3. into shcrp focus.
l6View original page 18Page 19 · Read text
I OPENATION VARITITE HOOK.UP FOR USE WITH
Plug line cord of Vcrilite into wcll TIME-O.UTE TIMERS
receptcrcle.
See Figure 5 b. Plug cord of enlcrrger or Printer
into black receptccle on side o{
Varilile cqse. cr. Plug cord ol Time-O-Lite into wall
With toggle switch in up or "On" receptcrcle lor current suPPlY.
position cnd pilot light lit, turning
pointer knob to required setting b. Plug cord ol Varilite into blcck re-
vcrries the omount ol current going ceplccle on Time-O-Lite Timer ccrse.
to the enlcrrger or printer.
d. With toggle switch in down or "Off" c. Plug cord of enlorger or contact
position the full line current is pro- printer into black receptcrcle on side
vided for the enlcrger or printer. of Varilite cqse.
Figure 5
I/rlVall Socket/:{ ll-/\:/l
TIMT.O.LITE VARITITE
t7View original page 19Page 20 · Read text
Red OutJet
Bloclr Outlel
Neon Light
Your Time-O-Lite Footswitch Model FS- is provided; this switch must be in
30 provides cr high copcrcity (3000 wcrtts the "On" position ct crll times.
A.C. only) switch to control motors up d. The generol illuminction scrlelight into one horsepower, photogrcrphic op- the dcrrkroom cctn be turned oll
pcrrctus, flood lights, X-Rcry mcrchines, while the exposure is being mcrde
drill presses, dentql lqthes, crnd hun- by inserting ihe scfelight line corddreds of other crppliccrtions. For dcrk- into the RED receptcrcle ol the Time-
room use, there's on unusucrl feqture- O-Lite loot switch.
cr tiny neon light in the pedol, so thqt For use with Model P-49 Time-O-Lite
there's no fumbling crround the floor to see Insfruction P-49, Poge 5.Iind the footswitch. "Just step on the
lisht." GENERAI APPLICATION
Any electric crpplicrnce or device whichWith c Time-O-Lite Footswitch, control- does not drcrw more thcsr 3000 Wcrtts crll is equipmentling kinds of electric ccrn be controlled by the Model FS-30qlmost elfortless. leqves both And it Foot Switch.hcrnds free lor other work. Insert heavy duty line cord of Model
FS-30 Foot Switch into crny 115
INSTNUCTION Volt A.C. outlet.
l. For use with enlcrrger b. Insert line cord of crpplicrnce or mo-
c. Insert heovy duty line cord from the tor into either ol the BLACK recep-
Time-O-Lite footswitch into ct con- tacles.
venient 115 VOLT A.C. wall oullet. c. The red receptcrcles crre "On" or
"Hot" when the pedcrl is in theb. Insert line cord of the enlcrrger into normcrl or "Up" position. This red either one of the BLACK receptcrcles receptcrcle will handle 1500 Wctts, on the side ol the Time-O-Lite foot- cmd ccrn be used to keep motors or switch. crpplicrnces "On", or opercrting unlil
c. On most enlcrgers, cr control swiich the Foot Switch is operqted.
IBView original page 20Page 21 · Read text
T You're in Good Compcmy with cr
TIME. O.tITE
Your Time-O-Lite, no mqtter which model, is built by the sqme excrct
stcndcrds we use in building precision instruments lor the lcrgest
i industricl crpplicotions. Yours is designed especicrlly for timing photo- : grcrphic ptdcltt.s with perfect ctccurccy. In the sqme wcty, we build
i orr"i 400 dillerent types oI timers for specilic purposes for lecrding
I mcrnufacturers throughout Industry from X-Rcy to juke boxes. - the leader in thqt lield uses Nqme crn industry more thqn likely, Industricrl Timer products,- either in mcrnufccturing processes or {or
incorporcrtion in their own products. Here ctre cr few of our industrial
custdmers; you'll immediately recognize them crs outstcrnding busi-
ness lirms in Ameritcr qnd the world.
Americcrn Airlines Ecrstmcn Kodcrk of Rochester
Americon Broodcasting ComPcrnY Firestone Tire & Rubber Compcnry
Americcrn Cycncrmid Ford Motor Compcny
Argus, Inc. Frigidcrire Division of Generql Motors
Bousch qnd Lomb Generql Electric Compcny
Bell cnd Howell Grcrybor Electric Compcrny
Bell Telephone Lcrborotories E. I. DuPont
Bendix Aviation Lile Mcgczine
Bethlehem Steel CorPorcrtion Minnecpolis Honeywell Compcny
Brooklyn Ecrgle Monscrnto Chemiccl Compcny
Ccrncrdion Genercrl Electric Co., Ltd. Picker X-Rcry Compcrny
Ccrrnegie lllinois Steel Corporcrtion Rcrdio Corporcrtion of Americcr
Coterpillcrr Tractor Corporction Rcrytheon Corporotion
Chrysler Corporcrtion Remington Rcrnd
Generol Motors Sylvcrnicr Bectric Products, Inc.
Colgcrte-Pclmolive-Peet Tung Sol Lcrmp Compony, Inc.
Columbicr Broadccsting SYstem U. S. Rubber Compcury '
Commonweclth Edison Co. ol Chicogo Western Electric Compcury
Consolidated Edison ol New York Westinghouse Electric Manulqcluring
C-O-Two Fire Equipment ComPanY Compcrny
Douglcrs Aircrqfi X-Rcy Mqnufcrcturing Compcny ol
DuMont Lcrborcrtories Americc
Thos. A. Edison, Inc. Zenith Radio Corporction
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