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

Vtg. Leeds & Northrup (L&N) Laboratory Capacitor Wooden Box

Antique Leeds & Northrup Potentiometer Wooden Box Copper Constantan 0-200 C

Vintage Rubicon Instruments Box . Test - Philadelphia Test Equipment

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

Vintage Standard Reference Cell , Antique Leeds & Northrup Standard Battery

Antique 21" x 5" Wheatstone Bridge Slide Wire Mfg. By Leeds & Northrup Co.

Leeds & Northrup Type S Test Set #5300 , Vintage - Very good condition.