War Department. |||||| II Ap1 E Eb K IQ T WM Ia#39;|+ Let Eb be the plate voltage, rp the effective plate. 9. Iheory of Tuning Fork Drive; The circuit for the tuning fork drive is shown in Fig. (59 ). FIG. 39. WIRING DIAGRAM FOR TUNING FORK DRIVE.
|Title||:||Manufacture of 3" Anti-aircraft Guns, Model of 1925 by Auto-frettage Method by the Metallurgical Laboratories, Watertown Arsenal|
|Author||:||United States. Army. Ordnance Dept. War Department|