Browse Items (3473 total)

Siemens Relay. No 22 on mahogany base.

a heavy G clamp with an attached belt drive mechanism which rotates a wood and brass rod. Leather drive belt. Canvas hood on end of brass rod

Double handle with green felt lined recess, for holding test-tubes and other items being gently heated.

In case, seconds pendulum; kept working. Recorded (1982) as located in the Professor's basement laboratory.

glass hydrometer, scale1000-1100, lead weighted bottom bulb. In red cardboard box

Maximum thermometer on brass stand. Hollow T end piece with hole to central column. Calibration -40 to 120. Two additional numbers shown on stem: No. 100845; second number with symbol 14770

Oil lamp with glass lens; black painted brass with small carrying handle on base.

10-step variable capacitor for device mounting, type B-22-C. 10 by 0.1 microfarad. Ser.no. 296730. Brown tufnol faceplate

Watt governor model in brass to fit Watkins & Hill 's whirling table. Brass balls on rods, total 200 mm long.