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slide rules made of wood and plastic
An ancient Chinese scroll unrolled.
group of old slide rule slipstick analogue computer for mathematical calcululs, close view
Primary school supplies
Compilation of several slide rules, analog calculators, and measurement devices
Macro image of old scratched slide rule - an old mathematical tool for calculations from before the era of electronic calculators.
Group of wooden yard sticks and meter sticks with black background.
Hearing test report isolated on white with clipping path.
Punch card is a storage medium. Perforated cardboard, paper with holes to automate information, was used in the first old computers. Ukraine, Torez - CIRCA 1970.
Baierbrunn, Germany - January 2023. The sixth of January is a holiday in the German Catholic communities. As a custom, mostly children and young people go from door to door collecting donations. Before they move on, they write \
Old fashioned slide rule isolated on black background.
Time sheet on office wall
1970s Slide Rule
Representing the passage of time, close-up of a sundial in the Cuban municipality of Rafael Freyre which is situated in Holguin Province.
Old tachograph charts. Record of working time of professional drivers. Light background.
view of the millimeter and centimeter divisions lines with red and black numbers. Focus on the middle area. A measuring instrument for craftsmen and do-it-yourselfers
Tachograph. Driver time tracking. Fixing the movement of the car. Cargo transportation with driving according to the schedule. Time disk. Background from recorded analog tachograph disks.
Ancient paper book.
Long wooden ruler with digits and lines for measuring length. Centimeter equipment on table prepared for measurement on dark background
Young adult pianist starting the metronome
Number thirteen on a tailor's tape measure close up
Camera Dials and Controls on an antique 35mm rangefinder type camera.
Close photo of dominoes and dice for yamb on the table.
Macro Close-up Shot of Human Fingers Turning Radio Channel Knob on Boombox Tape Player
Property deeds in canvas binders from a government records center
Strips of paper to measure metric distances.
Old ,forgotten,dirty, archived files
Business cards indexed and organized alphabetically for communications and contacts or leads for sales to clients
rigorous stage of pasteurization and care of breast milk donated to the milk bank
Free Images: "bestof:Keuffel & Esser Model 4081-3 Braille Rule, Beatley I-Q Slide Rule, and Traffic Managers Slide Rule - MIT Slide Rule Collection - DSC03664.JPG en MIT Slide Rule"
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