Seacoast artillery : service of the piece 10-inch gun : (disappearing carriage) - USA Coast Artillery Field Manual, FM 4-65 Seacoast artillery : service of the piece 3 -inch rapid-fire gun : (barbette carriage) - USA Coast Artillery Field Manual, FM 4-90 Seacoast artillery : service of the piece 155-mm gun - USA Coast Artillery Field Manual, FM 4-25 Seacoast artillery : service of the piece 14-inch gun, M 1920 M II, on railway mount, M 1920 - USA Coast Artillery Field Manual, FM … Elementary map and aerial photograph reading - USA Voorschrift, Basic Field Manual, 21-25 Antiaircraft artillery : position finding and control antiaircraft searchlights - USA Coast Artillery Field Manual, FM 4-111 Oscilloscope I-245-A - USA Voorschrift, Technical Manual, 11-2689A Corps of engineers : Duties and relations of engineer troops - USA Voorschrift, Training Regulations, No. 445-15 Message center-procedure - USA Voorschrift, Training Regulations, No. 160-10 Camera equipment AN/GFQ-2 - USA Voorschrift, Technical Manual, 11-2342 Theory and measurement of pulse radar system performance - USA Voorschrift, Technical Manual, 11-759 - USA Voorschrift, Air Force Manual, 101-1 Battery tester TS-183/U - USA Voorschrift, Technical Manual, 11-2571