User manual
Table Of Contents
PART
V.
PRINTING
ON
VELOX
cP
APER.
E
as
tman .
C.
fi
lm negat;v
es
yield b
ea
utiful, soft
black
and
white effects when
print
d on
th
e Reg
ul
ar Velvet
Velox
developi
ng
o
ut
paper furnished with the Bulls-
Ey
e outfit.
cWANJPULATJON.
Velox
prints
may be successfu
ll
y ma
de
, us
ing
daylight
for
expo
s
ur
e. Sel
ec
t a north windo
w,
if
p
oss
ible,
as
the
li
g
ht
from
this
dir
ec
ti
on will be more uni
fo
rm. Ow
ing
to
its
se
nsit
iveness
tlte paper sltould be
Il
a
ll
dl
ed ill subdued l
ig
M,
othe
rw
ise
it
will
be liable to J
og
.
Pr
oper
pr
ec
autio
ns
sho
ul
d be taken to pull
down the window sh
ad
es a
nd
darken
th
e
:o
om su
ffi
ci
ently
dur-
ing
manipula
ti
on.
If
the
li
g
ht
is
too
str
o
ng
for printing it
should be s
ubdu
d or di
ff
us d by the
use
of
se
veral thicknesses
of white tissue p
ape
r.
Owing
to
the
va
rying
intensity of day-
li
ght, uni
fo
rm res
ult
s are not as certain
as
when using artifi cial
light.
In
the fo
ll
owing instructions for
manipul
a
ting
Velox, it
mu
st be
und
erst
oo
d that artificia l light,
pr
eferably gas with a
Welsb
ac
h
burn
r,
wi
ll
be the lig
ht
u
se
d . A ker
ose
ne lamp,
fitted with a ro
und
burn
er
(kn
own
as
Rochester
burn
er),
may
be u
se
d,
but
o
....
ing to the decidedly ye
ll
ow lig
ht
this a
ffo
rds, a
consi
de
rably longer e
xp
os
ur
e will be necessary
than
when
using
a Welsb
ac
h li
ght
.
The
comp
arative expos
ur
e with
Ve
l
ox
, us
ing
various
sourc
es of
li
ght, is
as
follows :
Di
stance
;\
2 C. P. ,6 C. P.
Av
er
ag
e
S
iz
of
from
Wel sbae
ll
Ele
e. or Elee. o r
Oil
Neg ative
Light
Bu
rn
er
6 ft. C
as
4ft
,as
Lamp
Burner Burner
4 x S or
7 inches
to Sec.
20
Sec.
30
Se
c. 40 Sec.
Smaller










