Call Number (LC) Title Results
W87.11-1.135 N.C.L. observation balloon winch. 1
W87.11-1.136 Observation balloons serving infantry. 1
W87.11-1.137 General notes on organization and tactics indispensable to balloon observer. 1
W87.11-1.138 Synopsis of general subjects for instruction of balloon observers. 1
W87.11-1.139 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 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 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
W87.11-1.150 Elementary notes on artillery. 1
W87.11-1.151 Tactics employed by German airplanes in attacking balloons. 1
W87.11-1.152 Instructions for balloon group commanders and instructions relative to balloon service record cards. 1