24 Jul Crook’s Radiometer, 2.75″ (70mm) Diameter, Mounted on Plastic Base – Eisco Labs
Crook's Radiometer, 2.75" (70mm) Diameter, Mounted on Plastic Base - Eisco Labs Crook's Radiometer apparatus mounted on a sturdy plastic molded base. Comprised on an evacuated glass bulb with black and white veins. Comprised on an evacuated glass bulb with black and white veins. Each...