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Bijur vibrator voltage regulator.

Bijur

Bijur vibrator voltage regulator.

"Diagram of a vibrator coil. The parts are as follows: A, contact screw; B, battery; C, core; D, vibrator terminal; G, condenser; P, primary winding; S, secondary winding; W, switch; Y, vibrator." -Hawkins, 1917

Vibrator Coil

"Diagram of a vibrator coil. The parts are as follows: A, contact screw; B, battery; C, core; D, vibrator…

"Circuit diagram of a master vibrator coil. B is the battery; C, the unit coils; C1, C2, etc. the condensors; P, the primary windings and S, the secondary windings; H1, H2, etc. the spark plugs; T, the timer; MP, the master primary; V, the vibrator; W, the common primary connection; 1, 2, etc. the stationary contacts of the timer." -Hawkins, 1917

Master Vibrator Coil

"Circuit diagram of a master vibrator coil. B is the battery; C, the unit coils; C1, C2, etc. the condensors;…