Vintage Kelvin Bridges offers Galvanometer, Ohm Meter, Oak box, leather handle, Leeds and Northrup Co. Philadelphia PA, resistance gauge

offers Vintage Kelvin Bridge Galvanometer, (ohm meter) Model No. 4286, by Leeds and Northrup Co. Philadelphia PA. in the original oak box. This resistance gauge has the original instruction booklet and zero adjustment tag are still in the box lid, along with hand drawn schematics that look like someones homework, complete with red corrections!

The top is hinged in the back, and opens fully with a sturdy locking snap clasp, key included. On the bottom back a top hinged door opens with connections for a battery.

The handle across the top is comfortable stuffed leather, attached with sturdy metal bands, still firmly attached.


About 10 inches tall to top of handle, 9.5 inches wide and 6.5 inches deep.