Air position indicator, Mk 1B.
Ground position indicator, Mk 4.
Oxygen economiser flow indicator.
Whipple patent temperature indicator
1900-1982
Maihak engine indicator No.7077
McCallam's patent distance indicator, 1864
1864
Roller blind altitude indicator
Whipple Temperature Indicator serial no. C620290
1957
Experimental remote indicator meter
Engine indicator by Thompson & Bushnell
McNaught type steam engine indicator by J. Hannan
High voltage indicator
Indicator, type 48A
"Universal" Pivotless Moving Coil Indicator No.1888736
1966
German DVG indicator value of World War II
Indicator Speed (German)
Revolution indicator (Smith's)
Jet pipe temperature indicator (Smith's)
Indicator flap (Smiths) Ser.no.79106
Air-driven indicator - experimental
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
"Simplex" external spring steam engine indicator, Type B. In case.
Tabor steam engine indicator, in case with key
Watt's steam engine indicator
Indicator, two button
Honeywell `Electronik 15' Temperature Indicator
1971
Control Surface Position Indicator
Fuel Quantity Indicator
Nozzle Area Indicator
Ferranti type 1 high voltage indicator
1935-1950
Locked/Free Indicator
Darke's high speed steam engine indicator no.421
1879-1888
Kenyon's pistonless steam engine indicator, 1878
1878-1890
Steam engine indicator with concentric drum
McNaughts' steam engine indicator 0.5 sq. ins.
Electric line overload indicator
Simplex patent steam engine indicator
Foster Cambridge Temperature Indicator
1970-1979
Rudder angle indicator and junction box
1948-1951
Short's gas indicator, made by E. F. Gurnett
Magnetic field indicator in chrome-plated metal case
1950-1970