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Backgrounds and textures: group of old slide rules, or slipsticks, retro science abstract
close up of tab keys on an antique and weathered adding machine, outdoors on display and for sale at a junkyard, Long Island, New York
group of old slide rule slipstick analogue computer for mathematical calcululs, close view
Unit control panel of electronic equipment, close-up
An old dial within the controls of a carillon device.
A clean, bright chemistry laboritory used for teaching and research.
Camera Dials and Controls on an antique 35mm rangefinder type camera.
An old 1940s radio control center desk.
Antique style cash register. Old-time cash register in shop. Vintage mechanical cash register system Telegraph machine. Wooden material
Vacuum tube close-up image with several tubes. They were crucial to the development of radio, television, radar, sound recording and reproduction, long-distance telephone networks, and analog and early digital computers.
Vintage time working punching card wall, from the 60s and 70s
Digital display of electric smart meter.
power factor meter to measure the power factor of a transmission system, defined as cosine of the angle between the voltage and current
color spot printer ink tank
Variable rate utility meters or multiple tariff meters allow utilities to charge customers different rates tariffs at different times of day
electric power systems
Ship telegraph in the engine room, close-up.
Vintage computing machine close-up image with typ buttons. Used in the pre Computer Era.
Vintage analog calculator displaying 2024 as the result of the calculation
power plant console panel
Differed Contacts for Surface Mount placement.
The scale of an old radio. Radio dial with a close-up arrow.
Amino sequence letter in the screen
A range of different electronic components and devices with dark tones, showcasing different technologies and circuits and solar renewable energy.
Mixing desk close-up. The image shows buttons and knobs of a sound studio mixing desk.
vintage punched card for computer data storage and programming
Close-up of an vintage ancient frequency counter isolated on white background
Copper wire in electric vehicle car engine inside
Free Images: "bestof:High Voltage Lab, Exposure Calculator - MIT Slide Rule Collection - DSC03626.JPG en MIT Slide Rule Collection MIT Museum Cambridge Massachusetts USA The museum"
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