User manual
Table Of Contents
The 
foregoing 
is 
calculated  for  rooms  whose  windows  get  the  direct  light 
from  the  sky, 
and 
for  hours  from  three  hours 
after 
sunnse 
to . three  hours  before 
sunset. 
If 
earlier 
or 
later, 
the 
time  required  will  be  longer. 
$. 
PR:E;SS 
TH;e 
BUTTON. 
This 
closes 
the 
shutter. 
Time 
exposures 
can 
also  be 
made 
with a plug.  See price .list. 
~~;;;;;~~~
I 
6. 
PUSH 
R;eGIST;eR 
I.;eV;eR. 
'7. 
TURN 
TH;e 
x;ev. 
Repeat 
for each exposure. 
TIME 
EXPOSURES 
IN 
THE 
OPEN 
AIR. 
6 
When 
the 
smallest  stop  is  in  the  lens,  the  light  admitted  is  so  much reduced 
that 
time  exposures  out  of  doors  may  be  made 
the 
same  as  interiors 
but 
the  ex-
posure  must  be 
much 
shorter. 
12 










