Revolution indicator (Smith's)
Oxygen economiser flow indicator.
illuminated moving scale indicator with transformer and operating switch
Roller blind altitude indicator
Ground position indicator, Mk 4.
Air position indicator, Mk 1B.
Whipple patent temperature indicator
1900-1982
Jet pipe temperature indicator (Smith's)
Desynn indicator
Whipple Temperature Indicator serial no. C620290
1957
German DVG indicator value of World War II
Indicator Speed (German)
High voltage indicator
Crompton thermal maximum demand indicator
"Universal" Pivotless Moving Coil Indicator No.1888736
1966
Steam engine indicator with concentric drum
McNaught type steam engine indicator by J. Hannan
Richards Steam Engine Indicator
Engine indicator by Thompson & Bushnell
Maihak engine indicator No.7077
Simplex patent steam engine indicator
McNaughts' steam engine indicator 0.5 sq. ins.
Indicator, two button
Eye-ball indicator
1920
Reid Control Indicator, on mahogany stand
Indicator, type 48A
"Simplex" external spring steam engine indicator, Type B. In case.
Tabor steam engine indicator, in case with key
Darke's high speed steam engine indicator no.421
Kenyon's pistonless steam engine indicator, 1878
Watt's steam engine indicator
Indicator flap (Smiths) Ser.no.79106
Air-driven indicator - experimental
McCallam's patent distance indicator, 1864
1864
Ferranti elevation range indicator
1965
Electric line overload indicator
Ferranti type 1 high voltage indicator
1935-1950
Autosyn altitude indicator
Transmitting airflow indicator
Indicator unit for wind finding attachment
KEN-RAD magic-eye tuning indicator, type 6E5
Indicator Torque (Smiths) Ser. no. 1060/1
Airspeed indicator from Photo section
4 temperature indicators from hot air balloon fatal accident at Birmingham
German Prufgerat velocity indicator
Adam's play indicator in fitted case
Magnetic field indicator in chrome-plated metal case
1950-1970
Richards Improved Patent Steam Indicator
