Mercury ion engine, one of five
1978
illuminated moving scale indicator with transformer and operating switch
Lawrence Scott ampmeter and voltmeter
Electrostatic voltmeter, disassembled to show parts
section of instrument coil from display panel on "Pivotless instruments"
Crompton dead beat voltmeter no.12861 180-270v.
Model of the N.S. "Savannah" (1959)
1958-1965
Rigged Model of the SS 'Himalaya'
1850-1853
Model of the N.S. "Savannah" (1959)
1958-1965
Whole rigged model of H.M.S. 'Himalaya'
1850-1854
Wire wound potentiometer
1910-1940
Support pillar and recorder for Milne horizontal pendulum seismograph
1899