Antique Leeds Northrup Type 5430A Test Set Resistance Galvanometer Murray Varley

Leeds & Northrup 5305 Test Set Wheatstone Resistance Box Galvanometer UNTESTED

Antique Leeds & Northrup No. 5410 Type T Portable Testing Set; USA; Untested

Racal Dana 9008 Modulation Meter *Fully Tested, but Needs Calibration*

Antique Leeds & Northrip Galvanometer

Racal Dana 9008 Modulation Meter *Fully Tested, but Needs Calibration*

Ohm meter vintage Leeds and Northrup galvanometer 4282 ?

Leeds & Northrup Resistance Galvanometer L&N No. 5305