Aeroplane construction and operation; including notes on aeroplane design and aerodynamic calculation, materials, etc. A comprehensive illustrated manual of instruction for aeroplane constructors, aviators, aero-mechanics, flight officers and students. Adapted either for schools or home study (1918)
Rathbun, John B · Chicago : Stanton and Van Vliet Co. · leaf 58
fely out of range of the enemyguns, and this is usually at a point where observation isa difficult proposition. It does not take long to get therange of such a target as a hovering dirigible, yet ata much lower altitude it is difficult to handle naval anti-aircraft guns effectively against a… … 52 MILITARY AEROPLANES the submarine at first hand. On the large bombing type,a three-pounder gun and a number of large bombs canbe carried, either of which would be sufficient for thepurpose. In land defense chasers and fighters are used for patrol,and to maintain a barrage against the entrance of…
Airplanes
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