Developing Roll Film Using Photographic

TM 11-405-10

in the right hand with the emulsion (dull) side toward the

1-1/2 to 2 inches from the point from where the film

center of the reel.

enters the grooves of the reel.

h. Place the reel in the tank and place the

e. For 85-mm film, attach the end of the film to

the core of the reel so that the film will pass around the

cover on the tank and the cap on the cover.

outside of the core guide wires as shown in A, figure

Turn on the darkroom lights.

81.2.

At the start of development, invert and

For other films, slide the end of the film

gently rock the tank. Repeat this procedure every 2

under the clip as shown in B, figure 31.2. Center the film

minutes.

under the clip.

k. When the developing time has elapsed,

g. Turn the reel to wind the film on the reel.

remove the cap and pour the developer solution from the

When winding, hold the film gently between the thumb

tank body.

and forefinger. The film will slide into the grooves

Rinse, fix, wash, and dry the negatives

between the coils of the reel smoothly and naturally when

(para. 26).

held gently enough to take its own course. Keep the

rolled up portion of the unreeled film approximately