Metal Displacement Vessel, 225 x 125mm Manufacturer_Eisco Acrylic bell-in-vacuum jar with an

Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed

and rubber corks for momentum

diverting a calibrated portion of bench-supply current around the meter coil so the galvanometer reads heavier loads safely

Wall-mounted Mason's hygrometer with two identical dual-scale thermometers — one dry and one kept wet via a water reservoir — calculating relative humidity from their paired reading difference

and elastic limits

Metal Displacement Vessel, 225 x 125mm Manufacturer_Eisco Acrylic bell-in-vacuum jar with anLargest metal displacement vessel in the series at 225 by 125mm with a side spout, sized for bigger submerged specimens in volume by displacement and specific gravity work.