User manual

O. 2 FLEXO ~tAN AL.
3
1
WASHING.
Th ere are se veral w ays of w ashing film. It
m ay be pl aced in tray or w ash bowl of co ld wat er
and left to soak fo r five minut es eac h in five cha ng es
of cold water, moving
about occasiona ll y to insure
the water
ac ting eve nl y up on it, or it may be given,
say two c hang es as abov e and then I ft for an h ou r
in a
bow l wi th a very ge ntle s tream of wa te r run -
ning in a nd out. If n ega tiv es are washed separately
they should
be kept m ov ing abo ut mos t of the time
in order that th
ey wash thoroughl y.
DRYING N. C. FILM NEGA TlVES.
Whe n thorou gh ly w as h d, snap an Eas tman
Fi lm D t! vel oping Clip on eac h e nd of the s trip and
Dr yi ng with hang it up to dry or pin it up . Be su re, h owey r,
C iips. that it swings cl ea r of the wa ll so that the re wi ll be
no possi
bi lity of either side of the film coming in
co
nt ac t with the latte r. In dr yi ng, . C. Film s hould be cut
up into strips of not more than six e xpo ur es in I ngth. If the
film h
as bee n cut up, pin by one corn r to the ed ge of a shelf
or ha
ng the n ega tiv es on a stretc hed string by m ea ns of a be nt
pin, runn i ng the pin throu gh the co rner of fi lm to the h ead, then
hooking it ove r the st ring .
DEFECTIVE NEGATIVES.
By fo ll owi ng cl ose ly the fo regoing dir ctions, th e novice can
make seventy
fiv e per cent., or upwards, of good n ega tives.
Some times, how eve r, t he directions are n ot fo ll ow d, a nd fail-
ur
es result.
To fo rewarn th e came ri st is to forearm him and we there-
fo re desc ribe the common causes of failure.