JEŻEWSKI Mieczysław - Radjotelefonja i radjotelegrafja. Popular lecture of the principles of radjotechniki and Simple ways of building amateur receiving stations. With 162 drawings. Katowice 1925. księg. T. Mikulski. 8, pp. VII, [1], 173. broch.
Covers somewhat dusty, good condition. Owner's signature. Stamp.
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