stationary

The plotting board M10 is a fire control instrument designed to assist the operator in computing and plotting firing data. The plotting board is sturdy, simple to operate, accurate, and easilyt adopted to use by computers in the field. It carried in a durable canvas case.   Stock Number Reference: […]

12-Inch Graphical Firing Table is a table series for many kinds of guns and cannon, M31 is for 155mm M1 gun (also known as “Long Tom”). circa FEB, 2, 1945 Manual: TM 9-524 Stock Number Reference: Table, Graphical Firing, M31 Stock No: F1-0088048