1937 RCA Back Tuning Knob

This is the back tuning knob used on many 1937 RCA console and table radios in conjunction with the vernier knob listed above. Fits on a large shaft with a smaller shaft inside for the vernier knob.

models: Consoles - 811K, 812K, 813K 816K, 8K, 9K, 9K3, 9T, 9U, 10K, 10K1, 13K, 15K, 15U
Table models - 8T, 9T, 10T 6-BT, 6-BT-6, 6-T-2

Dimensions: 1-3/8" diameter, 3/4" tall