Wireless Telegraphy and Telephony Simply Explained: A Practical Treatise Embracing Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and Its Present Day Applications, Together with a Chapter on the Possibilities of Its Future DevelopmentNorman W. Henley Publishing Company, 1912 - 154 стор. |
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Сторінка 10
... placed between two contact points , one or both of which are adjustable so that the most sensi- tive portion of the mineral may be selected . A telephone receiver is connected across the terminals of the detector . When the ...
... placed between two contact points , one or both of which are adjustable so that the most sensi- tive portion of the mineral may be selected . A telephone receiver is connected across the terminals of the detector . When the ...
Сторінка 22
... downward and serving both as part of the aerial and as guys to support the pole , is often used . The bottom of the pole is placed on an insulating base , pro- tected from the rain by a small shelter . The 22 WIRELESS TELEGRAPHY.
... downward and serving both as part of the aerial and as guys to support the pole , is often used . The bottom of the pole is placed on an insulating base , pro- tected from the rain by a small shelter . The 22 WIRELESS TELEGRAPHY.
Сторінка 25
... THROUGH OF INSULATOR 000 LINSULATING MATERIAL THREADED INSULATING WASHER - NUT UNDER WHICH WIRE IS PLACED FIG . 26. - Leading - in insulator.- The wires leading from the aerial to the operating room WIRELESS TELEGRAPHY 25.
... THROUGH OF INSULATOR 000 LINSULATING MATERIAL THREADED INSULATING WASHER - NUT UNDER WHICH WIRE IS PLACED FIG . 26. - Leading - in insulator.- The wires leading from the aerial to the operating room WIRELESS TELEGRAPHY 25.
Сторінка 26
... placed in the wall or window of the operating room . One of the most important factors in a wireless station is the proper earthing arrangement . The usual method is to use large copper plates buried in moist earth , or thrown in the ...
... placed in the wall or window of the operating room . One of the most important factors in a wireless station is the proper earthing arrangement . The usual method is to use large copper plates buried in moist earth , or thrown in the ...
Сторінка 33
... placed near the end of the core so that the magnetism of the latter will draw it forward away from the thumbscrew and interrupt the current . As soon as the current ceases to flow the core loses its magnetism and the spring returns to ...
... placed near the end of the core so that the magnetism of the latter will draw it forward away from the thumbscrew and interrupt the current . As soon as the current ceases to flow the core loses its magnetism and the spring returns to ...
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50 cents A. A. HOUGHTON adjustable alternating current amateur appliances arranged battery BINDING POST boilers chapters CHART circuit coal coil of wire COMPOUND LOCOMOTIVES connected consists construction contains coupled helix detail detector devices diagram diaphragm direct current discharge drawings dynamos Edition electric waves electrodes engravings equipment ether explained flow fully illustrated gas engine Gasoline heating high frequency oscillations included induction coil instruments insulated Lathes Leyden jar Locomotive machine magnetic field manufacture mechanical messages metal methods modern molds motion motor O'CONOR SLOANE operation pass pipes plumbing potentiometer practical treatise Price primary produced pumps radiate railroad receiving apparatus Rubber secondary selenium showing signals slide SLIDER sound waves spark gap speech steam engine steel telephone receiver telephone transmitter tion transmitting tuning coil turbines types Valve Gear variable condenser vibrations Walschaert Valve Gear wireless station wireless telegraphy wireless telephone