Hammond Model A - Harmonic Controller; Plan of Console

FIGURE 1. PLAN OF CONSOLE (Model A)
FIGURE 1a.
Model E Console. Manual Pre-set Pistons.
Pedal Piston Indicators. Tremulant Levers
FIGURE 1b.
Expression Pedal Indicators. Chorus
Control. Starting and Running Switches.
FIGURE 2. A HARMONIC CONTROLLER
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