EN-91A (fig. 25.1).

TM 11-405-10

Page 26, paragraph 17. Make the following

(3) EN-91A.

changes:

(a) Place the negative, emulsion (dull)

Subparagraph a, heading. Change "General" to

side down, on the lower plate.

(b) Press the upper plate against the lower

PH-129-(*), PH-689(*)/TF, or EN- 16(1).

Add subparagraph a.1 after subparagraph a.

plate.

a.1 EN-91A. Use the chart below to select the projection

Page 29, paragraph 18c (page 1 of C 2).

lens set and to determine the variable condenser lens

Make the following changes:

position.

After the second sentence, add:

Variable

Four rapid-shift negative carriers are supplied with the

Projection lens

condenser

Negative size

set

lens position

EN-91A (fig. 25.1).

4- x 5-inch ......

5--3/8-inch ...................

Add subparagraph (8) after subparagraph (2).

2-1/4 x 21/4

3-1/2-inch.....................

(3) EN-91A (fig. 25.1).

or 2-1/4

(a) Hold the negative carrier so that the

3-1/4-inch.

concave side of the film holder faces

35-mm.............

2-inch ...........................

upward.

(b) Insert the roll of film in the left side of

Subparagraph b (1) heading. Change "or PH-

the negative carrier.

639(*)/TF" to PH-639(*)/TF, or EN- 91A.

Page 27, paragraph 17c(1), heading. Change

between the upper and lower plates of

"or PH-639(*)/TF (fig. 2)" to PH-639(*)/ TF, or EN-91A

the negative carrier until the frame to

(figs. 2 and 3.1).

be enlarged is centered in the

Paragraph 18a(2). Add subparagraph (8) after

aperture.

subparagraph (2).

(d) Press the upper plate against the lower

plate.