GENERAL INDEX. 



Surfaces of bodies, light reflected from without touching them NEW. OPT. 



of cylinders, their use in optical experiments . ()i-r. INST. 



Syphon, description and principle of .... POP. INT. 



System of astro/iomy, Copernican, objections to, answered . 



TABLE of the height of the boiling-point of water in different 

 states of the barometer ...... 



. . of the relative expansions of different metals at differ- 

 ent heats ........ 



. . of the expansion of rods of different substances between 

 the freezing and the boiling point of water ... 

 . . of the expansion of seven different solids by heat . 

 . . of various points of heat according to Wedgewood 

 . . of temperatures according to Daniel 



to Morveau 



.. of expansibilities of glass rods and tubes 

 . . comparative, of alcoholic and mercurial thermometers 

 . . of correspondence of different thermometrical scales 

 . . of expansions of bodies by heat .... 



. . of remarkable temperatures, according to Fahrenheit's 

 scale ...... 



. . of the refractive and dispersive powers of various sub- 

 stances ....... 



. . of the colours of thin plates of air, water, and glass 

 . . of dimensions of an aplanatic double object-glass . 

 . . of the magnifying powers of lenses .... 



. . of the comparative thermo-electric relations of different 

 metals ...... 



. . of the relative magnetic powers of different species of 

 iron and steel ...... 



. . of changes of variation and intensity of terrestrial 

 magnetism ...... 



. . of the local attractions observed in different ships 

 Table-microscope, description of . . . . . 



Tangential force described . 



Taste of porter affected by galvanism .... 



Teinu scope, description of ...... 



Telescope, different accounts of the invention of 



astronomical, described . . NEW. OPT. 6. 

 night and day ...... 



Newton's reflecting . . NEW. OPT. 30, 



achromatic, by Dollond, Blair, &c. . 



theory of . . . . . 



Cassograinean and Gregorian 



front-view reflecting ..... 



reflecting, by Ramage 



proper form of the specula of 

 ".v, method of ascertaining their power 



for measuring angles and distances . . 



THBRH. 



OPT. INST. 

 NEW. OPT. 

 OPT. INST. 



ELECT. MAQN. 

 MAGN. 



OPT. INST. 

 POP. INT. 

 GALV. . 

 OPT. INST. 

 NEW. OPT. 

 OPT. INST. 



irley's graphic 

 ;--e . 



- of refracting 

 -pieces for 

 for . 



especting 

 iction of 



of 

 of . 



NEW. OPT. 

 OPT. INST. 







tabk 



table <>f, nmvdini; to Fahrenheit's 

 at which dew falls 

 Terrestrial globe, representation and description of . 



magnetism, observations on ... 



variations in its intensities . 

 electro-magnetic effects of 

 exhibits a visible rotation . . 

 imitated by means of wires on an ar- 

 tificial globe ..... ... 



POP. I NT. 



MAGN. 



ELECT. MAGN. 



41 



Tape 



55 



3 



fi-J.T,:; 

 37,39 



15 

 15 



20 

 27 



. 29 

 32 



. 30 



53 



. 54, 55 



5760 

 . 61,62 



. 63 



25 



. 52 

 21 

 35 



94 

 15 



32 

 66 

 36 



17,31 

 24 



54,55 



5,4 



10 



10 



. 15 

 23 

 19 



16,17 



. 17, 30 



. 18 



11 



11 



25 



26 



25,26 



. 2630 



27,28 



29 



. 31 



100 



100 



. 30 



29 



. 32 

 63 



. 49 

 40 



2232 

 2."> 



4552 

 . 50 



91 



