Early Radio Wave Detectors |
From inside the book
16 pages matching British Patent 17 in this book
Page 149
Page 170
Where's the rest of this book?
Results 1-3 of 16
Other editions - View all
Common terms and phrases
acid adjustment aerial and earth aerial current alternating current apparatus arrangement audible battery BRANLY British Patent 18 capillary carrier caused circuit connected crystal current flowing decoherence deflection device diaphragm diode direct current disc dots ECCLES Edouard Branly effect Electrical World Electrician electrodes electrolytic detectors Fessenden filings coherer film Fleming flux frequency galvanometer glass tube Hertzian heterodyne History of radio hysteresis detector illustrated in Fig iron loop magnetic field magnetisation Marconi mercury metal mounted movement needles operation oscillations oscillatory current oxide particles plate platinum Proc produced radio telegraphy rectifier Reference relay resistance rotating Science Museum photograph search coil sensitive shown in Fig solenoid spark spark-gap specimen steel tantalum telegraphy and telephony telephone earpiece telephone receiver telephony Chapman thermal detectors thermocouple thin ticker TOMMASINA tone-wheel transmitter types of detector valve voltage wire wireless telegraphy Wireless World World and Engineer