LEEDS & NORTHRUP 4756 AC-DC DECADE RESISTOR PRESCISION UNTESTED MAKE OFFER

LEEDS & NORTHRUP 4754 AC-DC DECADE RESISTOR PRESCISION UNTESTED MAKE OFFER

Leeds & Northrup 115071 Laboratory Capacitor Standard 12x6x8tall Super!!

LUX CLOCK MFG. CO. 7 Days 24 Hour Chart recorder, wind up Motor Never Used

VINTAGE LEEDS & NORTHRUP 7591 VOLT BOX POTENTIOMETER ~~ UNTESTED

Leeds & Northrup 5305 Test Set Wheatstone Resistance Box Galvanometer UNTESTED

2 vintage LEEDS & NORTHRUP 2340-C ohms ohm tester meter calibration *PLEASE

Leeds & Northrup No. 4286 Kelvin Bridge ohmmeter