e. Film Drop. A lightproof film drop is installed in the
air duct installation (fig. 1-1). An Adjustable fresh air
intake, and fresh air filter is located at the rear of the
escape door (fig. 5-2), which will accommodate up to one
space heater compartment to provide a constant flow of
4 x 5-inch film pack or one 70mm film cartridge.
fresh air from the outside. Spare fuses for the space
f. Fire Axe. A fire axe is located curbside in the
heater are mounted at the bottom of the space heater
g. Fire Extinguisher. A fire extinguisher is installed
h. Print Processor. A print processor is located next
to each enlarger to permit rapid development of exposed
h. Flashight. A flashlight is installed on the entrance
stabilization type papers. Refer to TM 11-6740-287-12 for
i. Fuel Supply Installation. A 5-gallon can and fuel
i. Processing Unit. A processing unit is located in
strainer are mounted rear roadside as shown in figure 1-
the forward compartment which provides water
maintained at a preset temperature to the large
j. Equipment Protective Covers. Plastic covers are
provided for the air conditioners (fig. 5-1), enlargers, and
processing unit consists of a control unit, small tank
holder and 9 small developing tanks, wash tank holder
k. Immersion Heater
. The immersion heater (fig. 1-
with wash tank and 3 large developing tanks, a 6-inch
12) is a plug-in unit and is used as an auxiliary water
high standpipe, and a 12-inch high standpipe. Refer to
heater for mixing chemicals, and to melt snow in the sink
TM 11-6740-286-12 for further description.
to supply water to the water storage tank.
1-10. Description of Minor Components
l. Print Identification Equipment. A Ditto machine
and typewriter (fig. 5-2) and 8-1/2 x 11-inch pressure
is used to enter the darkroom when it is mounted on a
sensitive paper are provided for print identification.
b. Electric Installation Equipment.
organizational maintenance of the darkroom.
installation equipment (fig. 1-11) consists of two power
n. Wastebasket. A wastebasket is provided as
cables, adapters, and ground rod and strap.
equipment is used to interconnect the darkroom with an
o. Water Installation Equipment. A 50-foot water
external power source.
hose with float is provided for connection of the darkroom
c. File Cabinet. A 3-drawer file cabinet is located in
the aft compartment in the print identification section.
also is provided to carry off the waste water from the
The drawers may be secured by turning two turnscrew
latches at the top of each drawer. The drawers will
accommodate 9 1/2 x 11 3/4-inch file folders.
provided to prevent lethal gases from space heater
d. Film Processing Equipment. Film processing
operation from being drawn into the fresh air intakes.
equipment supplied with the darkroom is given below and
1-11. Additional Equipment And Materials Required
But Not Supplied
a. Power Source.
supplying a minimum of 12 kilowatts (kw), 3 phase,
120/208 volts, 60 Hertz (Hz) is required to supply
electrical power to the darkroom. A generator set capable
of a minimum output of 12 kw is not part of the darkroom
and must be requisitioned separately.
b. Expendable Supplies.
The following table
contains a list of expendable supplies denoting item
names, Federal stock numbers (FSN), unit of supply, and
approximate number of units used per 90 days. Use this
list as a quick reference source for ordering depleted