Vintage Welch Scientific Lab Rotation Controller Rotator with GE A-C Motor

HEIDOLPH EKT Hei-Con 509-88000-00-0 DC THERMOMETER -50°C +300°C

Standard Air SL25 Vintage Dewar / Copper LNO2 Liquid Nitrogen Dewar

Vintage Welch Scientific Rotary Motion Laboratory Controller Rotator w GE Motor

Sargent Welch Millikan Oil Drop Apparatus

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CENCO 74350 Central Scientific Rotator for Laboratory Rotary Motion Study

TENNELEC NITROGEN DEWAR