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
Electric line overload indicator
Eye-ball indicator
1920
illuminated moving scale indicator with transformer and operating switch
Richards Steam Engine Indicator
Crompton thermal maximum demand indicator
Honeywell `Electronik 15' Temperature Indicator
1971
Control Surface Position Indicator
Fuel Quantity Indicator
Indicator, two button
"Simplex" external spring steam engine indicator, Type B. In case.
Tabor steam engine indicator, in case with key
Ferranti type 1 high voltage indicator
1935-1950
High voltage indicator
Indicator, type 48A
"Universal" Pivotless Moving Coil Indicator No.1888736
1966
German DVG indicator value of World War II
Locked/Free Indicator
Indicator Speed (German)
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
Whipple Temperature Indicator serial no. C620290
1957
Engine indicator by Thompson & Bushnell
McNaught type steam engine indicator by J. Hannan
Nozzle Area Indicator
Steam engine indicator with concentric drum
McNaughts' steam engine indicator 0.5 sq. ins.
Watt's steam engine indicator
1796-1890
Ferranti elevation range indicator
1965
Simplex patent steam engine indicator
Foster Cambridge Temperature Indicator
1970-1979
Trico-Folberth semaphore type motor vehicle direction indicator
circa 1952
Indicator Torque (Smiths) Ser. no. 1060/1
Kirby's Great Circle Course Indicator.
Aneroid movement from air-speed indicator
Resolving gear, as used in air-position indicator
Turning indicator, one of two, - experimental
