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Compilation of several slide rules, analog calculators, and measurement devices
Close up detail of a log/log slide rule isolated on a black background.
A stand up doctor's office style scale with a hand calculating the weight.
A slide rule with white background, for mathematical calculations
Vintage logarithm ruler close up isolated on a white background
Macro image of old scratched slide rule - an old mathematical tool for calculations from before the era of electronic calculators.
Logarithmic ruler on white background. Stationery for engineers and students
Close Up of Pi on a Slide Rule
old slide rule slipstick analogue computer for mathematical calcululs, close view
Close-up of a tape measure on a blue defocused background. Shallow depth of field, space for copy.
slide rule on a green background
Measuring tape
Two hands holding a slide rule or slipstick
Sliding caliper with dollar sign coin.
Logarithm ruler isolated on black background mechanical calculator isolated.
White cut out search box over blue background. Horizontal composition. Search concept.
Slide ruler vintage measuring instrument and calculator
plastic vernier caliper
Logarithmic ruler on black background. Stationery for engineers and students
Close-up of white scale ruler on ruler next to architectural model
Plastic instrument for measuring linear dimensions in approximation
Carpenter's old ruler
Used ruler material
Ruler
Mathematics measuring tools - slide logarithmic ruler. Stationery for engineers and students.
low quality plastic measuring tool
Slide rule, close up
Measuring tools on the wooden floor
Old slide rule, mechanical calculator is isolated on white background. Vintage logarithmic ruler
close up of a used filing cabinet with numbered slots for small horizontal objects, for sale at a salvage yard, Long Island, New York
Free Images: "bestof:slide rule slider scale"
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abacus-slide-rule-computer-654358.jpg
scale-rule-old-vintage-1138145.jpg
mixing-desk-mixer-slide-control-351478.jpg
folding-rule-bers-scale-1204113.jpg
folding-rule-bers-scale-1204117.jpg
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metro-measure-rule-scale-1179249.jpg
number-count-decade-school-703136.jpg
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measure-measures-rule-metro-106354.jpg
folding-rule-measure-craft-705668.jpg
build-bers-scale-craft-length-1318564.jpg
Andrena_brevipalpis,_M,_face,_Caroline_County_2015-10-27-10.11.53_ZS_PMax_UDR.jpg
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turtle-red-eared-slider-green-690022.jpg
business-work-mockup-slider-blog-869379.jpg
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slide-winter-snow-old-historically-1101465.jpg
slide-winter-snow-fun-sleigh-ride-1101461.jpg
slide-bathe-summer-870484.jpg
slide-swimming-summer-heat-wave-852027.jpg
slide-photo-negative-retro-vintage-758904.jpg
slide-landscape-ceiling-725009.jpg
slide-water-bathroom-fun-blue-725016.jpg
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slide-theme-park-attraction-675139.jpg
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slide-sleigh-ride-winter-snow-fun-5597.jpg
slide-christmas-lichterkette-1098849.jpg
slide-tobogganing-skihang-children-966124.jpg
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slide-funfair-rides-fun-joust-656052.jpg
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water-slide-water-park-park-1022717.jpg
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playground-slide-activity-equipment-439363.jpg
water-slide-water-park-aquapark-423842.jpg
playground-slide-playset-red-play-398199.jpg
playground-slide-play-park-kid-412129.jpg
playground-slide-park-childhood-411362.jpg
playgound-slide-park-outdoors-play-339697.jpg
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