W87.11-1.12
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Gunnery projectiles. |
1 |
W87.11-1.13
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Effect of hydrogen impurities on airship fabrics; Effect of gasses and chemicals on balloon fabrics. |
1 |
W87.11-1.133
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Announcement, inauguration of Air Service information circular (L/A) |
1 |
W87.11-1.135
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N.C.L. observation balloon winch. |
1 |
W87.11-1.136
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Observation balloons serving infantry. |
1 |
W87.11-1.137
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General notes on organization and tactics indispensable to balloon observer. |
1 |
W87.11-1.138
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Synopsis of general subjects for instruction of balloon observers. |
1 |
W87.11-1.139
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Synopsis of military subjects for instruction of balloon observers. |
1 |
W87.11-1.14
|
German captive balloon organization. |
1 |
W87.11-1.140
|
Synopsis of professional subjects for instruction of balloon observers. |
1 |
W87.11-1.141
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Meteorology and war flying. |
1 |
W87.11-1.142
|
Artillery notes for observers. |
1 |
W87.11-1.143
|
Artillery lectures by Major Sturgill. |
1 |
W87.11-1.144
|
German captive balloon organization. |
1 |
W87.11-1.145
|
British balloon school and description of protecting cover for balloon rigging. |
1 |
W87.11-1.146
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Memo. regarding leakage of hydrogen from balloons. |
1 |
W87.11-1.147
|
Danger cone clamp. |
1 |
W87.11-1.148
|
Artillery adjustment and dispersion of fire. |
1 |
W87.11-1.149
|
Maneuvering balloons under shell fire. |
1 |
W87.11-1.15
|
Parachute tests. |
1 |