230 MECHANICS. 



HERO Alejcandrinus, or Junior [?3 "Oirtas %p>) TOV r/s 



&c. See Thevenot (M.), Boivin (J.), et Lahire (P.). Veterum ma- 

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. Liber de machinis bellicis ; nee non liber de geodaesia a F. Barocio 



latinitate donati ac scholiis illustrati. 4 Venetiis, 1572. 



HIRE (PHILIPPE de la). See Lahire (P. de). 



HOBBES (THOMAS). De gravitate de motuum speciebus. See 



Hobbes (T.). Problemata physica. 12 1662. (Miscellaneous.) 



. Censura doctrinag Wallisianae de motu. See Hobbes (T.). Rose- 

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HOENE de WRONSKI ( ). See Wronski ( H. de). 



HOLDER (WILLIAM). A treatise on the natural grounds and principles 

 of harmony. 8 London, 1694. 



HOOD (THOMAS). The making of the sector. See Hood (T.). 



The making and use of the geometricall instrument, &c. 4 [1598.] 

 (Mathematics.) 



HOOKE (ROBERT). Mechanical lectures. See Hooke (R.). Lectiones 

 Cutleriance. 4 1679. (Miscellaneous.) 



. An hypothesis of the cause of gravity or gravitation. See 



Hooke (R.). The posthumous works of, &c. fol. 1705. (Miscellaneous.) 



HORNER (J. C.). Tables hypsometriques pour le barometre divise en 

 pouces et lignes du pied Fran^ais, et le thermometre octogesimal. 8 

 Zuric, 1827. 



HORREBOWIUS (PETRUS). In continuam proportionem harmonicam, 

 mathemata. See Horrebowius (P.). Operum mathematicorum torn. i. 

 4 1740. (Astronomy.) 



HORSLEY (SAMUEL), Bishop of St. David's, afterwards of Rochester. 

 Remarks on the observations made in the late voyage towards the North 

 Pole for determining the acceleration of the pendulum in lat. 79 50'. 

 4 London, 1774. 



HOUSE OF COMMONS. Report from the select committee of steam- 

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 dex, fol. London, 1831. 



fol. London, 1834. 



This is not the same report as the preceding, but has the same title, which is 

 distinguished from the foregoing only by the date. 



HUET (J. M.). Les lois de la nature, les causes materielles de 1'attrac- 

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. Theoremata de vi centrifuga, &c. See Keill (J.). Introductio 



ad veram physicam. 4 1742. (Miscellaneous.) 



HUGENIUS or HUYGENS van ZUYLICHEM (CHRISTIANUS). De 

 motu et vi centrifuga. See Hugenius (C.). Opuscula posthuma. 4 

 1728. (Miscellaneous.) 



Theorems concerning the centrifugal force and circular motion. 



See Keill (J.). An introduction to natural philosophy. 8 1733. (Na- 

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. Horologium oscillatorium, sive de motu pendulorum ad horologia 



aptato demonstrationes geometricae. fol. Parisiis, 1673. 



HUTTON (CHARLES). New experiments on artillery. See Hutton (C.). 

 Tracts, mathematical, c. 4 1786. (Mathematics.) 



HUTTON (JAMES). On the laws of matter and motion ; the law of 

 gravitation. See Hutton (J.). Dissertations on different subjects. 4 

 1792. (Miscellaneous.) 



