Posted 15 years ago
Rickster
(6 items)
This Was found in Our Highschool. Part of the old section. Can anyone help me out? What is it and whats it worth?
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Posted 15 years ago
Rickster
(6 items)
This Was found in Our Highschool. Part of the old section. Can anyone help me out? What is it and whats it worth?
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If those are momentary switches on the top my guess is that it is some sort of signaling device such as a bell to begin and end classes. If so it predates electromechanical programmable devices. Do you know how many classrooms were in the old school?
It seems to be a resistor box ,removing the knob resistor is inserted.
Rickster, You have a telegraph resistor board, the number are for the amount of resistance you want to add to a line. The resistor boards have a value of $25.00 and up.