Plate XLIII.—Astronomy.—Detail – Smiling Sun.
An engraving of the sun with a smiling face in the middle. [more...]
[$]Plate XCIX.—Hydrostatics.—Fig. 1. A quadruple pump-mill for raising water.
The height of modern technology in 1771: a super-efficient pump powered by a water wheel! [more...]
[$]Plate XCIX.—Hydrostatics.—Fig. 8. Cup of Tantalus (no letters)
This is a version of the Cup of Tantalus diagram, without the letters that tie it to the text. [more...]
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