Indicator Collection

Wants Indicator 1930S
A household wants indicator tells you what you need to shop for; game is required but thankfully the house is well stocked with Vim and borax. Date: 1930s

Completion of the new Earls Court station, London
Completion of the new Earls Court underground station, London. Top: an illuminated train indicator which shows trains in motion. Middle: the new flyover junction

Photographs of hands holding cigar as indicator of character
Photographs of hands holding cigar, as indicator of character. Captioned, The Flor de Karakta: the cigar as seer: character indicated by the way of holding the ??weed?

Photograph showing the signalman in the act of pulling a signal lever to allow a train to enter one of the platforms. Date: 1907

Indicator Board - Victoria Station - London
A gigantic indicator board at Victoria Railway Station, London, 1908 Date: 1908

Underground train - new station indicator 1896
New station indicator on a underground train in London, after the train leaves the station a bell rang and the name of the next station appeared. 1896

Druine D. 31 Turbulent G-ARCZ
Druine D.31 Turbulent G-ARCZ, at Redhill aerodrome circa 1970. Written off (damaged beyond repair) on 1 June 1984 when crashed near Stapleford, Essex

10938999
Lesser honeyguide, Indicator minor, and black-fronted nunbird, Monasa nigrifrons.. Handcolored copperplate stipple engraving from Dumont de Sainte-Croixs Dictionary of Natural Science: Ornithology

Christmas card in the shape of a barometer. Date: circa 1890s

Bilingual poster on the wall of the Church of Evangelistria, built in the late 14th century. Mistras. Lakonia Province. Peloponnese Region

Instrument panel, Brandenburg DI fighter plane, WW1
A close-up view of the instrument panel of the Hansa-Brandenburg DI (KD) 28.68 Phonix-built fighter plane in service during the First World War from 1917 onwards

Controls and instrument panel of a plane, WW1
A close-up view of the controls and instrument panel in the cockpit of a British plane in service during the First World War. 1914-1918

Israel. Jerusalem. Gazetter. Old City. Street St. Peter. Christian neighborhood. (Written in Arabic, hebrew and English)

Indicating scale, Leyland Metz fire engine
Indicating scale on a Leyland Metz fire engine, showing the elevation and extension of the adjustable ladder

Merryweather fire engine indicator scale for regulating the angle and extension of the ladder

London Underground Station Indicator
A new invention on the Underground Railway in London. After a train leaves a station, a bell rings and the name of the next station appears, keeping passengers informed of their location. Date: 1896

The Plan Position Indicator System by G. H. Davis
A diagram showing the system developed as part of British radar sets, first demonstrated in the Thames Estuary. The system gives a picture of obstructions in the vicinity

Triple control position indicator

An Air Raid Warden adjusts the Blackout Time indicator at an ARP Post near London in 1939. Date: 1939

Usnea inflata, beard lichen
And Hypogymnia physodes (right), Burnham Beeches, Bucks, W. London. The former is a recent colonist following reductions in SO2 pollution

Indicator variegatus, scaly-throated honeyguide
Some species of honeyguide are known to help guide humans to wild bee hives, a mutually beneficial behaviour which can earn the bird the reward of a good feed for itself

Indicator indicator, greater honeyguide
Some species of honeyguide are known to help guide humans to wild bee hives, a mutually beneficial behaviour that can earn the bird the reward of a good feed for itself

Lichens result from an intimate relationship between a fungus and an alga; there are about 18, 000 species

Australian soldier, Croix du Bac near Armentieres, WW1
An Australian soldier in a front line trench at Croix du Bac, near Armentieres, northern France, during the First World War. He is using a wind direction indicator as an anti-gas precaution

Ansells Fire-Damp Indicator, 1880
Engraving showing the instrument, designed by Ansell, for the detection of fire-damp in underground mines, 1880. If fire-damp gases built up then the risk of explosion increased

Brights electric street fire alarm
Illustrative montage showing Brights electric street fire alarm in use. The larger image shows a policeman activating the alarm at a post in the street

Tide predicting machine: front view
Photograph of the front view of the tide-predicting machine, designed by Lord Kelvin in 1876. Constructed by Lege for the Indian government

Using Hand Signals
The driver of this car is using hand signals to indicate that he is pulling out or wishing to turn right!

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