Robison's Manual of radio telegraphy and telephony for the use of naval electricians (1918)
Robison, S. S. (Samuel Shelburne), b. 1867, United States Naval Institute, Todd, David Wooster, Hooper, Stanford Caldwell · Annapolis, Md. : The United States Naval Institute · leaf 57
en the sparkgap is ruptured this circuit oscillates as if it were entirely disconnectedfrom the secondary, usually completing its oscillations and coming to restin a fraction of the period of the circuit formed ])y the secondary andcondenser. The oscillating circuit (condenser, spark gap, and… … Pig. 11. ^LABY ARCO TO AEfflAUi the condenser as representing the source of current, like the battery infig. 11, art. 13; the spark gap as the break K, the turns of inductancein the oscillating circuit as A B, and the opencircuit with one end grounded as C D. Theoscillating currents in A B produce…
