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Compilation of several slide rules, analog calculators, and measurement devices
Vintage logarithm ruler close up isolated on a white background
Close up detail of a log/log slide rule isolated on a black background.
Slide ruler vintage measuring instrument and calculator
Macro image of old scratched slide rule - an old mathematical tool for calculations from before the era of electronic calculators.
Plastic instrument for measuring linear dimensions in approximation
Ruler
old vintage slide rule on white, isolated
Measuring tape
Two hands holding a slide rule or slipstick
Spirit Level
Slide rule, close up
plastic vernier caliper
slide rule on a white background.\nA slide rule on a white background
Wooden folding ruler.
Logarithmic ruler on white background. Stationery for engineers and students
Carpenter's old ruler
old slide rule slipstick analogue computer for mathematical calcululs, top view
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
A Vintage Nostalgic Mathematics Calculating Slide Rule.
image of a measuring stick
Fifty. Tailor's wooden meter ruler on black background.
Logarithmic ruler on black background. Stationery for engineers and students
still life of drawing and type design tools on tabletop
This is a rather old and well-used slide rule, a simple classic version made of mahogany. I have other views of this in my portfolio.
ancient wooden ruler on white, isolated
Out of focus woman looking at a tape measure.
Free Images: "bestof:Weight Watchers, Pointsfinder Slide Rule - MIT Slide Rule Collection - DSC03657.JPG en MIT Slide Rule Collection MIT Museum Cambridge Massachusetts USA The"
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