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slide rule on a green background
Close up detail of a log/log slide rule isolated on a black background.
Vintage logarithm ruler close up isolated on a white background
Details of a Vintage Candy Machine
Two hands holding a slide rule or slipstick
Ontario, Canada.
A slide rule with white background, for mathematical calculations
Metal gear strip
Slide ruler vintage measuring instrument and calculator
Stack of many binders
Two old slide rulers on white background
Vintage 110mm film leak negative
Slide rule, close up
Photograph of punctuation marks printed on a painted wooden board. Nice grunge style in flat lay on white background. Check out more letters:
three slide rules of different sizes on a white background.\nThree slide rules of different sizes on a white background
Ruler
old vintage slide rule on white, isolated
A Vintage Nostalgic Mathematics Calculating Slide Rule.
Punch Card, used in the past before computers made this job. The close-up image shows a punch card used in a embroidery factory.
Logarithmic ruler on white background. Stationery for engineers and students
A protractor on a white background.
the roulette of slide film in number 5
Wooden folding ruler.
old slide rule slipstick analogue computer for mathematical calcululs, top view
A studio shot of a mechanical metronome.
Group of wooden yard sticks and meter sticks with black background.
Vintage wood metronome
Logarithmic ruler on black background. Stationery for engineers and students
View of the wooden ruler and the millimeter and centimeter scales with red and black numbers. A measuring instrument for craftsmen and do-it-yourselfers
Free Images: "bestof:Keuffel & Esser display - MIT Slide Rule Collection - DSC03615.JPG en MIT Slide Rule Collection MIT Museum Cambridge Massachusetts USA The museum permitted"
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