Description of the deflection board (model of 1906) with De Carre drift chart for 12-inch mortar : mechanical features, rules governing its care, operation and preservation in service, April 4, 1907, revised December 13, 1907
| Corporate Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington [D.C.] :
G.P.O.,
1917
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| Edition: | Rev., July 2, 1917 |
| Subjects: |