Zenith 1940's Pushbutton
Price:
$3.00
Square-faced button with a slot across the top to take a station call-letters label. (Not available -You can make your own with a printer.)
models:6S528, 6S532, 6S546, 6S547, 7S529, 7S530, 7S547, 7S554, 7S557, 7S558, 7S582, 7S629, 7S630
Dimensions: 1/2" square, 3/4" high, 5/32" wide slot to fit a flat shaft.