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Vintage illustration from a book of my private collection: \
CU, Modified switch.
A closeup of a Telegraph machine with a white background
In a well-equipped workshop, a man is seen professionally repairing a device, displaying his technical expertise.
Old and heavy eletromechanical experimental machinery. Coils, cranks, and cast iron painted black, with slats and green wires wound into a dynamo: what object is it?
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Close up image of an early oscillating motor, circa mid 1800s. Isolated on white with clipping path. High quality photo
Various radiolamps on a laptop background
an old golden analog alarm clock with mechanical movement isolated on colored background
Engineering Student using oscillograph at the classroom
Old Little Music Box
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.
Obsolete fuse box without front plate showing 2 circuit breakers or ground fault circuit interrupters and fuses removed.
Detail of battery cells put on a test.
The inside of a fan is seen while it is being repaired. Daily life in Bangkok, Thailand, as the newly elected Pheu Thai Party Government, led by Prime Minister Srettha Thavisin, struggles to attract more international tourism to the Kingdom with additional visa waiver schemes for travelers from Russia, India, China, and Taiwan.
Electrolysis of water on wooden table in lab.
Condensers.
Photo of an early electrical motor magneto. Magnetos use magnets to generate electrical current. Isolated on white with clipping path. High quality photo
Unit control panel of electronic equipment, close-up
One of the first wax tube audio recorders.
power plant console panel
High Angle View Of Bell On Table
Copper wire in electric vehicle car engine inside
close up of a stirling engine construction with white table isolated on white background
antique electric heater
Old ancient telegraph device on wooden table isolated over white background
Processor Unit, Chip War. The Chip Crisis, The World's Big Problem. China and usa Flag.
Electrolysis of water on wooden table in lab.
A close up of the powerful electrons from a stun gun firing.
Free Images: "bestof:Electrophorus.png electrophorus a simple manual electrostatic generator invented in 1762 by Swedish professor Johan Carl Wilcke The electrophorus consists of a"
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Electrophorus.png
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