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Antique illustration of a Bell for alternating currents

The dials from a World War 2 'Bombe' checking machine used to crack the German 'Enigma' codes at Bletchley Park, Buckinghamshire

Vintage hand drawn architectural plan circa 1982.

An old dusty electrical cabinet

rotor of a small electric motor closeup. electrical engineering industry

Power board electricity inductors close-up

engravings from Warne's Cookery and Housekeeping book 1860

Closeup modern outdoor elevator, background with copy space, full frame horizontal composition

$Vintage illustration from a book of my private collection: \$

Monochrome Infrared Thermal vision of pipelines and wires of Split System units on building rooftop

3D Rendering Illustration of a Steam Engine devised, built and perfected by Scottish inventor James Watt patented in 1769; based on the parallel motion of different metal components with wooden base.

Old ski lift for chairlifts

An old music-roll, used to play a piano or organ automaticly

The spinning handle of drilling machine

electric engine. copper windings. engine rotor

Vintage photograph of Camille Flammarion, French astronomer, looking through telescope at Observatory at Juvisy-sur-Orge, 1890s

mechanical modes, electrical contacts, screws, springs, adjustments in the control cabinet of an old railway signal box.

power plant console panel

Rotor of a dc motor with rusty layer on the surface on a white background

Old fashioned pump windmill in the field.

old saxophone close up

electric motor, magnetic drive, copper motor coils

Circular antenna arrays join together. Composite image, monochrome.

Vintage black rectangular flashlight in several states: Off, on, with red and green light filters. Set. Vintage.

Hand pulling an old power switch. (Toned Image)

Antique electric meter with numbers in kwh for measuring the electricity consumed

Model of the invention of the cotton gin by Eli Whitney.

Ship telegraph in the engine room, close-up.

Empty old Power Supply Boxes

Free Images: "bestof:Double field magnet dynamo (Rankin Kennedy, Electrical Installations, Vol III, 1903).jpg Bipolar dynamos"

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