US-164 FM 23-90 Field Manual for the 81mm Mortar dated 1943
$20.00
WWII field manual FM 23-90 81-mm Mortar M1. Dated 22 April 1943. Describes components, ammunition, mechanical operation, firing instructions and firing tables for the 81 mm mortar. 287 pages with illustrations. The front and back covers and first four pages have chips and light stains at the edges. Condition II-