Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 173
es ^ VALVE 1 WLVEZ VALVE 5 … Fig. 185—Vacuum Valves Connected in Cascade. minal to the plate of the valve instead of to the filament. The local battery B-2 and thehead telephone P, are shunted by a condenser C-3, and an additional condenser C-4 isconnected between the grid and filament of the valve. The mode of operation of…
Telegraph, Wireless
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