Illustration of Natural Philosophy Mechanical Powers, Physical principles including inertia, centre of gravity, centrifugal force, parallelogram of forces, variation of intensity of light as the square of distance etc. Educational plate published in c1851. Drawn and engraved by John Emslie.

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Size: 3426px × 4326px
Location: USA
Photo credit: © Historic Illustrations / Alamy / Afripics
License: Royalty Free
Model Released: No

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