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slide rules made of wood and plastic
Logarithmic ruler on black background. Stationery for engineers and students
In Western Colorado Millennial Male Hands at Office Desk Photo Series Matching 4K Video Available (Shot with Canon 5DS 50.6mp photos professionally retouched - Lightroom / Photoshop - original size 5792 x 8688 downsampled as needed for clarity and select focus used for dramatic effect)
Close-up of an old traditional movable type printing machine
group of old slide rule slipstick analogue computer for mathematical calcululs, close view
Probably produced on the 50´s, is a rare model (maybe the only one ever made) where the carrousel works standing up
Abacus for mental arithmetic on the background of a sheet of paper with examples for calculation. Accessories for mental arithmetic. Abacus and a piece of paper on the desktop
Filter cartridge of an osmosis water filter system
the roulette of slide film in number 5
Close-up of paper with text in paper shredder machine.
Old fashioned slide rule isolated on black background.
Metal gear strip
Pencil, old slide rule and scientific electronic calculator page with the calculations in progress
Details of a Vintage Candy Machine
Logarithmic ruler, pencil on a wooden table. Stationery for engineers and students
Detail of a geometry set in its tin
Slide rule lying on a piece of paper with handwritten calculations
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 \
Closeup of the middle of an antique balance from a Stanford University science lab of long ago - elegant craftmanship. You could easily weigh an eyelash with this balance.
Punch card on an old machine
1970s Slide Rule
metal parts, roller, locksmith, industry, factory,
Vintage 50s Bank Office with Retro Calculation Equipment and banking Money Machine.Good Memory to the Past
Macro close up of a geometry set protractor
Camera Dials and Controls on an antique 35mm rangefinder type camera.
Vintage computing machine close-up image with typ buttons. Used in the pre Computer Era.
retro school or business object: calculating with a slide rule, multiplications written on paper
Representing the passage of time, close-up of a sundial in the Cuban municipality of Rafael Freyre which is situated in Holguin Province.
vintage punched card for computer data storage and programming
Printed project proposal papers on a conference room table with a few other engineering props on table as well.
Free Images: "bestof:Keuffel & Esser, Model 4090, Universal Slide Rule prototype - MIT Slide Rule Collection - DSC03589.JPG en MIT Slide Rule Collection MIT Museum Cambridge"
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