22 



GENERAL INDEX. 



Arithmetic, its nature and use ..... 



Arnold's compensation balance described .... 



Arts, expansion of solids applied to the 



Astronomy, physical, its objects and use .... 



Astronomical telescope, description of . . . . . 



Atmosphere, capacity of, for caloric ..... 



colours of, accounted for . . . . 



. . weight of ....... 



Atmospheric pressure, effect of . . . HYDRAUL. 11. 



Attraction, capillary, account of ..... 



Atwood's Machine for discovering the law of descent in falling bodies 

 Axes of refraction, explanation of the term 



. . rectangular, theory of ...... 



negative and positive .... 



D . of double refraction, combination of . . . 



Axle in wheel, principles of ...... 



Balance, general principles of the ..... 



. . Arnold's compensation, described . . . 



. . bent lever described ...... 



Brady's ....... 



Danish ....... 



fraudulent, description of, and means of detecting . 

 hydrostatic, description and use of . 



. . philosophical description and representation of a good one 

 Roman, or common steel-yard, method of graduating 

 sensibility of, mathematical principles of 

 Balloons, principles of ....... 



Banks' s calculations respecting water-wheels . . 



Barker's centrifugal mill described .... 



Barlow, Professor, his improvement of the telescope . . 



Barometer, principle and construction of 



diagonal and wheel ..... 



. . uses and application of . 

 Barton's Iris ornaments, account of ..... 



Beavers, economy of those animals described . . . 



Bees 



. . curious structure of their cells .... 



Bejuco, large quantity of water contained in that plant 

 Bellows, hydrostatic, description of . . . . 



Bent-lever balance, description of ..... 



Bevelled wheels, description and application of . 



Biot, Brewster, &c., their experiments on the polarisation of light 



Biot's theory of the colours of polarised light 



Birds, description of the eyes and eyelids of ... 



the air-vessels of .... 



Black, Dr., character of . . . . . 



Blair's achromatic telescope described .... 



Block and sheaves, their application ..... 



Bodies, component parts of ...... 



absolute heat of, at different temperatures 

 .. expansion of, by heat 



experiments on ... 

 . . falling, laws of their descent ..... 



experiments on ..... 



gravity of. reciprocal ...... 



.. in motion, forces of ...... 



experiments concerning .... 



natural, investigation of the colours of 

 . . transparency the cause of . . ... 



zero of, the heat of, investigated .... 



to which double refraction may be communicated by heat 

 and pressure, concerning ..... 



crystallised, colours produced by their action on polarised 

 light ........ 



not transparent, method of measuring their refractive powers 

 polarisation of light at their seco"f" surfaces 

 . at their sep; 



Page 



PRELIMINARY TREAT. 3 

 HEAT . . 10, 19 

 HEAT . . 8, 9 

 PRELIMINARY TREAT. 17 

 OPTICS . . 15 

 HEAT . . .38 



OPTICS . . 65 



PNEUMATICS . 6, 14 

 PNEUM.21. MECH. t. i. 24 

 HYDROSTATICS . 24 

 MECHANICS, t. i. 12. t.iii.6 

 POLAR. OF LIGHT . 2 



. 35 



. 2 



29, 30 



MECHANIC s,t. ii. 21 25 



t- ii. 



HEAT . . 10, 



MECHANICS, t. ii. . 



HYDROSTATICS 

 MECHANICS, t. ii. 



. PNEUMATICS 



HYDRAULICS 

 HYDRAUL. 30. MECH. t. ii. 



OPTICS 



PNEUMATICS . 



10, 



OPTICS . 

 PRELIMINARY TREAT. 



HYDROSTATICS 

 MECHANICS, t. ii. 



POLAR. OF LIGHT 

 PRELIMINARY TREAT. 



HEAT . 

 . OPTICS 



MECHANICS, t. ii. . 

 . OPTICS 



HEAT . 

 HYDROST. 17. MECH. t. i. 



MECHANICS, t. i. 



OPTICS 



HEAT . 

 POLAR. OF LIGHT 



13 

 19 

 20 

 21 

 20 

 17 

 14 

 17 

 18 

 15 

 28 

 27 

 55 

 28 

 6 

 9 



16 

 40 

 29 

 28 

 25 

 32 



a 



20 

 30 

 13 

 37 

 23 

 24 

 46 

 28 

 33 

 60 

 39 

 29 

 30 

 10 

 12 

 6 

 7 

 8 



59 

 60 

 40 



18 



