A Compendious System of Natural Philosophy.

Rowning (John)

A Compendious System of Natural Philosophy.

With notes, containing the mathematical demonstrations, and some occasional remarks. In four parts

Description: 2 vols., incorporating 4 parts each with its own title-page, 44 folding engraved plates, a little spotting at the beginning of vol. i, occasional minor browning, pp. [ii], xlvi, [ii], 80, 19, 176, 96; [vi], 97-284, [22, index], 8vo, contemporary calf, double gilt rules on either side of raised bands on spine, red lettering piece, numbered in gilt direct, slight rubbing to joints and short cracks at head of spine of vol. ii, still a very good copy, with the contemporary engraved armorial bookplate in each vol. of Lord Bamff

Publication Details: Printed for Sam. Harding, 1753

Notes: 'Rowning's interest in mechanical matters led him to devise an expanded-scale barometer, achieved by floating the tube and cistern in a liquid, with a protruding vertical rod acting as a pointer. With changing pressure, both mercury and liquid levels changed, the overall rise and fall being greater than that of the mercury alone. Though ingenious, the device was impractical, and the theory more complicated than Rowning suspected; it was, however, published in the Royal Society's Philosophical Transactions (38, 1733, 39–42). His chief work was his Compendious System of Natural Philosophy (2 v...more

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Price: £800

Subject: Sciences

Published Date: 1753

Stock Number: 60493

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