Paterson CDs Enlarging Meter User manual

~ PATERSO

Nae py
Is PATERSON PROQUCTSLTD
7 LONDON ENGLAND i
E PRODUCT No B61 /

‘open this flap for illustration

Patorton Praducts are distributed
Shroughout the werla

United Kingdom Follol (UK) Utd
Wellmaborevon, Norhants.

France Scob, St Ant

USA Braue North Amer
Cambridge, Mass, Gata
Gannda Braun elects (Canada) Ltd.,
Mississauga, Ontario,

Mexico Fots Rosie, Mexico 1, OF,

South Aiea Peteiouse fe. dohannesbura
‘Sopan Astnuma Ga, tia, TOR
‘Alstraia Hanke tnustriee Australia Ld.,
Chatswood, NS.W.

Paris.

Exposure Time Indicator

_____ Neon Light

____. Paper Speed Scale

_— Exposure Scale

— Control Ring

— Paper Speed Setting Arrow

— Diffuser

———

PATERSON
CdS ENLARGING
METER

Tho Paterson Meter provides exposure times for enlarging
black and white negatives on all makes and grades of por
Itis designed as an integrating meter, reading ll the densi
in the negative and computing their average value, Under
some conditions itmay algo be used for spot readings

‘Tho Meter operates on 210.260 volts AC supply Is suitable
foruse

cathodt
Please read the following inswuctions before using the Mater.

INSTRUCTIONS:

Diffuser
‘The dlifusor may be hand held under the lant oF on some
nlargers it may bo! 1410 swing under the lens
‘should always bo positioned atthe samo distance from the

ight
All oom lights including the safolight, should be switched off
‘whan taking readings. CaS cells are sensitive to light of all
Colours and are affected aven by safligh illumination.
Paper speeds
Unite films, papers are not given a speed rating by the manu
facturers. The spood ean vary between different types of pa
‘samo moko, and processing conditions ean also
0. For this eason no list of paper speeds can be
‘ecestary to make a short test to establish the
‘Speed ofthe paper unde the operator's conditions
‘To-do this'a test strip mado from a normal negative which
has a fll range of tones without large ereas of dene black or
clear film by giving a series of stopped exposures. The test
‘shows the correct exposure time forthe print and this is rane
ferrod to the meter to set itto that batch of paper.
For consistent results, processing should be standard
nd temperature should always be the

ed, 09,

‘Tho striking point Is found by turning the contol dial fully
anticlockwise. At this point the neon should be out. Now
turn the costal slowly clockwise unt the neon just lights
ven if fickors tat this eoting the neon goes out within
or2 seconds, tun the contol slighty further unt the neon
Just comes on and stays on. Confirm this setting by small
‘meverants of the contol 9 extinguish and relight the neon,