ESTATE* VINTAGE HONEYWELL RUBICON 2745 POTENTIOMETER w/ KEY to LOCK IT ~NICE

Vintage BESCO Of London Boxed Water Purification Kit With Instruments

Vtg. James Queen & Co. Philadelphia Decade Resistance box

Vintage Honeywell Rubicon Instruments Model 2700 Potentiometer

ESTATE* VINTAGE RUBICON TYPE B POTENTIOMETER BRIDGE w/PAPERWORK ~ SUPER NICE!!

Vintage CENCO Planck’s Constant Apparatus TY-7 Physics Lab Equipment

Vintage Rubicon Instruments Box . Test Instrument - Philadelphia . Tester

White Instruments LP3M 10 Hz Test Equipment Capacitor