Ordnance Boring, Machine for
Parallel Motions, Contrivances for
Pendulums of various kinds
Pile-engines, Vaulaue's and Bunce's
Press, Binder's, Printing, Rolling, &c.
Pulleys, White's, Garnett's, &c.
Pumps, a great Variety, with Remarks on Pistons, Valves,
288 et feq.
Pyrometers, by Muschenbroek, Graham, Wedgwood, &c.
Ramsden's Machine for dividing Instruments
Reversing of Motions, Contrivances for
Retatory. Apparatus, Woolf's
Saw-mills, by Mr. Smart and others
Steam-engines, by Savary, Newcomen, Blakey, Gainsborough,
Watt, Hornblower, Cartouright, Murray, Bettancourt,
Steelyard, by Paul of Geneva
Steelyards to ascertain Human Strength
Surface-planer, &c. by Bramah
Teeth of Wheels, &c. Formation of
Telegrapbs, by Hooke, Amontons, Chappe, &c.
Thermometers, of various kinds
442 et feqe