WATKINS SPEED LIST User manual

June 28th, 1914. _ Price 14-, poth-orphancamerdleu, Videx Spec. Rapid
I;

‘New Series, ‘22nd year of issue

WATKINS SPEED LIST.

Compiled solely from actual tests for use
with Watkins Meters (any developer),
hot to compare speed or quality. Expos-
lure speeds are indicated as numbers and
grouped ; thus 180 means a speed some-
Where between 152 and 215.
Development speeds are indicated by
code letters, the figures below being
Grams of two concentrated. solutions in 3
Sunces of complete Watkins Thermo
Pyro-Soda Developer, for 64 minutes at
60 deg. This applies to the Time
Thermometer.
Where two brands of the same maker
are quoted alike they may differ slightly,
but samples tested came in the same

group.
DEVELOPMENT SPEEDS,

vv@ VQ Q.MQ M MS S VS

Drams] 1g 1 3 4 BOR

Watkins Meter Co., Hereford.

Tf extreme Rapid
Agi’ Bx" Rapido
Bola
Siro
sorapid
«ain aaa
ome Isora
aia ome oe
‘Aaxilary Spec, Rap.
peal Plate
ct ont, Bereen
aritt Ordinary se Te
mr Median 2
gi ed Diamond
Red Seal
Med. Orth, “2
Tex: Rap. Ortho
Super Speed Ortho

Self Screen Ortho
Studio E. Re
3 Btudio RB.

Studio R'D.

2 Ponvaik
 ke'Gra
Bastinan Rapid
sa ceca Rapid
oe.

Bas

aa

ggesesteaSeeeaeges’

ORK RRO RE Rem Ee

Eastman Spec. Bens ..
Spec. Ultra Rap.”
Leté Ultra Rap. “
ea eo, Rapid
pec. Rapi
Spec. Rap. Port,
Pheonix...
» Instant.
wy Bmpixe
Snap Shot
Iso Medium’
Tso. Comet.»
w Auto Screen Med.
» Rapid.

Gem Universal". —
» Medium
Gevaert Extra Rapid
Ultra Rapid
leteor
Salon
3s Salon Iso.,
}» Colour

four
Gritin Commercial
wy Professional, 125

Swiflex .
Ilford, Ordinary i
Versatile Rapid a
wy Most Rapid...
"Ortho: a

\as0/ MphancameraqHfend Rap. Chrom. ..

250 MS

250 MS
180 M

» Screened Chromatic
King’s Own ww
Chromatic

fh Zenith o
3) Panchromatie ~.
Imperial Ordinas

» Eine Grain Ord.

", Sovereign

th Spec. Sensitive

hy Spec. Rapid

* Flash Light

% Ortho. Spe:

2 Ortho. Sp
N.F. Ortho. «..

Jougla Intensive .
Lumiere Ex, Rapid (Blue Label) 90 MQ

ws Ortho. A. 180 M

{Ortho B 130 M

” c 90 MI

7 6 M
ma. 50 MS

Violet Label . 500 S

n Record = 1830 MS.
Portrait i 130 MQ

1) Instantaneous 950 ML
NPS. os 350 MS

Ain 350 M

Brilliant 180M
Mawson Castle “J. 6 MS
» Peli a 10M

” Professional 180 M