Russian lodestone and coil used with it by Faraday Lodestone and coil Russian lodestone and coil used with it by Faraday Measurements: overall (/1): 73 mm x 259 mm x 520 mm, 13.592 kgoverall (/2): 55 mm x 308 mm x 118 mm, 1.714 kg Object Number: 1949-293 Pt1 type: lodestone and coil
Lodestone from Russian lodestone and coil used with it by Faraday Lodestone Lodestone from Russian lodestone and coil used with it by Faraday Measurements: overall: 73 mm x 259 mm x 520 mm, 13.592 kg Materials: iron and metal (unknown) Object Number: 1949-293 Pt1/1 type: lodestone Part of: 1949-293 Pt1
Coil from Russian lodestone and coil used with it by Faraday Coil Coil from Russian lodestone and coil used with it by Faraday Measurements: overall: 55 mm x 308 mm x 118 mm, 1.714 kg Materials: iron , leather and textile Object Number: 1949-293 Pt1/2 type: coil Part of: 1949-293 Pt1
Wooden stand for Russian lodestone and coil used by Faraday. Stand for Russian lodestone and coil used by Faraday Wooden stand for Russian lodestone and coil used by Faraday. Object Number: 1949-293 Pt2 type: stand
Large hydrogen-oxygen fuel cell consisting of seven plates which have been 'exploded' to show the inner structure: 1) diaphragm of nickel-plated copper; 2) high-density polyethylene mesh; 3) electrode of microporous PVC silver plated and coated with supported platinum catalyst; 4) poly methyl meth acrylate alkaline electrolyte six normal potassium hydroxide; 5) electrode of microporous PVC silver plated and coated with supported platinum catalyst; 6) high-density polyethylene mesh; 7) outer current collector Large hydrogen-oxygen fuel cell
Light-beam oscillograph recorder, by Micro-movements Ltd., type M10-120/A, serial number 0113, without galvanometer processing circuit boards, plus inverter unit, 1976-84. Light-beam oscillograph recorder
Unipivot Versatile Galvanometer, Cambridge Resistance Meter, and D.C. Range Box, all by the Cambridge Instrument Co. Ltd., 1950-62 (see 3 stroke numbers). Unipivot Versatile Galvanometer
Cathode ray oscilloscope type 175A made by Hewlett-Packard probably between 1960 and 1969 Cathode ray oscilloscope
Two standard mica capacitors by H. W. Sullivan Ltd, capacitance 0.2 microfarads and serial no. 57227/1959, and capacitance 0.07 microfarads serial no. 57228/1959, made in 1959. Two standard mica capacitors by H. W. Sullivan Ltd