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Engineers are working for invention at workshop. Engineering and invention concept.
Old radio circuit printed on vintage paper electricity diagram as background for education, electricity industries and repair. Electric radio scheme from USSR, close up
Punch card on an old machine
Pencil, old slide rule and scientific electronic calculator page with the calculations in progress
Close-up Electric wires connector inside Electrical box for outlet
Logarithmic ruler on black background. Stationery for engineers and students
Hokkaido,Japan – April 30, 2022 :This is a Morse code key.\nA device for outputting Morse code by intermittent electrical signals.\nMorse code uses only short and long codes to represent letters and numbers.\nFor example, the distress signal \
Workshop for Electric Construction Technology in Japan
Slide Rule
Tachograph plate for recording the time and mileage of a truck. Route, driver and vehicle identification data. Light background.
Wires in Private Branch Exchange (PBX)
Pencil, old slide rule and scientific electronic calculator page with the calculations in progress
Two general purpose computer punch cards with slightly different printing, one orange and one green.
Audio video industrial film synchronizer for movie post production in old factory, vintage movie processing
internal structure of the video camera
LA, ECU, Many cables.
light tube with led lamp and fresnel lens in chinese projector
old slide rule slipstick analogue computer for mathematical calcululs, close view
An old fashioned telephone exchange.
Differed Contacts for Surface Mount placement.
a beam chart from an antique machinery data book showing light beam performance dates 1903
Logarithmic ruler, pencil on a wooden table. Stationery for engineers and students
Various cables and interfaces for electronic equipment, close-up
Engineer work with electronic component at workshop. Invention and technology.
interior of LCD TV Television main board power circuit, wires, transformers, resistance, IC, condensers, repairing motherboard of TV that contains electronic circuits, maintenance, repairing concept, selective focus
Vintage punched card for computer data storage
Close-up showing resistors on a power board
The punched card of an old device.
Ring terminal connector crimp blue wire for use in electronics or electrical industry
Free Images: "bestof:Simplex Wiring Computer - MIT Slide Rule Collection - DSC03654.JPG en MIT Slide Rule Collection MIT Museum Cambridge Massachusetts USA The museum permitted"
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