Revolution indicator (Smith's)
Jet pipe temperature indicator (Smith's)
Indicator flap (Smiths) Ser.no.79106
Air-driven indicator - experimental
Whipple patent temperature indicator
1900-1982
Maihak engine indicator No.7077
Honeywell `Electronik 15' Temperature Indicator
1971
Foster Cambridge Temperature Indicator
1970-1979
Control Surface Position Indicator
Fuel Quantity Indicator
Nozzle Area Indicator
Indicator, two button
"Simplex" external spring steam engine indicator, Type B. In case.
Steam engine indicator with concentric drum
Tabor steam engine indicator, in case with key
McNaughts' steam engine indicator 0.5 sq. ins.
Ferranti type 1 high voltage indicator
1935-1950
"Universal" Pivotless Moving Coil Indicator No.1888736
1966
German DVG indicator value of World War II
Eye-ball indicator
1920
illuminated moving scale indicator with transformer and operating switch
Richards Steam Engine Indicator
Crompton thermal maximum demand indicator
Ferranti elevation range indicator
1965
Watt's steam engine indicator
1796-1890
McCallam's patent distance indicator, 1864
1864
Kenyon's pistonless steam engine indicator, 1878
1878-1890
Ground position indicator, Mk 4.
Oxygen economiser flow indicator.
Desynn indicator
Roller blind altitude indicator
Experimental remote indicator meter
Air position indicator, Mk 1B.
Darke's high speed steam engine indicator no.421
1879-1888
Whipple Temperature Indicator serial no. C620290
1957
Engine indicator by Thompson & Bushnell
McNaught type steam engine indicator by J. Hannan
Simplex patent steam engine indicator
High voltage indicator
Indicator, type 48A
Electric line overload indicator
Locked/Free Indicator
Rudder angle indicator and junction box
1948-1951
Trico-Folberth semaphore type motor vehicle direction indicator
circa 1952
Indicator Torque (Smiths) Ser. no. 1060/1
Aircraft instrument: air apeed indicator by E. Hollocombe Clift
1914
Kirby's Great Circle Course Indicator.
Aneroid movement from air-speed indicator
