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?
Electric I dont Know | ||
| Tools and Hardware9826 of 10267 |  |  |
Electric I dont Know | ||
| Tools and Hardware9826 of 10267 | | |
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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.