A study of wireless telegraphy and wireless telephony (1915)
Eleazarian, Aram Movses · leaf 64
Pickard,in which for his contact points he used several crystalline sub-stances, such as silicon, molybdenite, zincite, etc. This de-tector is shown in Fig. 25, and it works as follows: A metallicvessel V contains a layer of solder of low melting point, whichin turn is filled with some polished… … U Fig.Z5 WPjckards Si/icon Defector. 29 L and K. Several experiments were madelately on crystal rectifiers by G. W.pierce and following conclusionsarrived at: 1. The same phenomenon existsin the case of all contact detectorsusing crystal substances, such ascarborundum, anatase, silicon, iron…
Telephone systems · Radio · Telegraph, Wireless · Theses
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