BY OLINTHUS GREGORY, LL.D. OF THE ROYAL MILITARY ACADEMY, WOOLWICH; MONORARY MEMBER OF THE PHILOSOPHICAL SOCIETIES OF LONDON AND NEWCASTLE-UPON-TYNE, AND OF THE NEWCASTLE ANTIQUARIAN SOCIETY. THE THIRD EDITION, CORRECTED AND IMPROVED. VOL. II. CONTAINING REMARKS ON THE NATURE, CONSTRUCTION, AND SIMPLIFICATION OF MACHINERY, ON FRICTION, RIGIDITY OF CORDS, FIRST MOVERS, &c. AND DESCRIPTIONS OF MANY CURIOUS AND USEFUL MACHINES. -Talem intelligo Philosophiam naturalem, quæ non abeat in fumos speculationum subtilium, aut sublimium; sed que efficaciter operetut, ad sublevandi vitæ humanæ incommoda. BACON. De Aug. Sci. LONDON: PRINTED FOR F. C. AND J. RIVINGTON; G. WILKIE; J. RICHARDSON; LACKINGTON AND Co.; G. KEARSLEY; LONGMAN, HURST, REES, ORME, AND BROWN; J. TAYLOR; BALDWIN, CRADOCK, AND JOY; AND WALKER AND EDWARDS. 1815. PUBLIC LIENA 562403 AT, LENOX ALS TILUEN FOUNDAT ONE T. DAVISON, Lombard-street On the Construction and Simplification of Machinery On Rotatory, Rectilinear, and Reciprocating Motions On Bevel-Geer, and Proportioning the Number of Teeth On Friction and the Stiffness of Cords, with the Experiments of An Example of the Power of the Capstan, allowing for Friction and the Rigidity of Cords On Water as a Mover of Machinery On Wind as a Mover of Machinery, with Smeaton's Rules relative to Wind-mills On the Strength of fired Gunpowder 1241 On Steam as a Mover of Machinery, with the Results of Bettancourt |