GENERAL INDEX. 



Comparative table of alcoholic and mercurial thermometers 

 at different temperatures .*... 

 Comparison of the processes of making artificial magnets 

 Compass, mariner's, construction of .... 



. . azimuth . . ..... 



variation . . .... 



land .. 



on the variation of ..... 



progressive changes of its dip and variation 

 Complex magnetic induction, experiments on . . 



Component parts of bodies, investigation concerning 

 Composition of Forces* explanation of its effects . 



which produce the earth's motion 

 round the sun ...... 



Compound microscopes, principles and theories of . 



proper size of .... 



for the purposes of natural history 

 galvanic circles, formation of . 



battery ...... 



Concave and convex mirrors, concerning 



popular explanation of their 

 effects on the rays of light .... 



. . mirrors for burning glasses ..... 



. . images formed by, and curious experiments on 

 Concentration of the effects of electro-magnetism 

 Concord of sounds, how produced ..... 



Condenser, Volta's, described ..... 



Conductors and non-conductors of electricity distinguished . 



metallic, for the safeguard of ships and buildings 



Cones of electric fluid passing from a positive to a negative 



point, representation of 



Connecting wire of a galvanic battery attracts iron filings . 

 Consequences of the law of electro-magnetic action . 

 Construction of the Leyden jar ..... 



of an electrical battery .... 



of the common thermometer, and history of the 

 improvements in . . . 



of register thermometers, and history of 

 of thermometers, precautions to be observed in 

 of pyrometers, and history of their improvements 

 Convex lenses, radii of the surfaces of .... 



mirrors, images formed by .... 



Convulsive agitations of mercury under galvanic influence 



muscular motions in dead animals excited by gal 

 vanism ...... 



Copper, effects of dilute sulphuric acid on . 



. j . . nitric acid on ..... 



sheathing of ships prevented from being corroded by 

 sea water ...... 



Correspondence of different thermometric scales, tables of 

 COULOMB'S Electrometer, or torsion-balance, described 

 . . i . its extreme sensibility . 



experiments on the magnetism of different bodies 

 method of making artificial magnets . . 



lilic thermometer described . . . 

 rough battery, construction of . 

 nqmeter described 

 Will thermometer described . 



^ineter described ..... 



ttlectricity passing through the human 

 duced by 



mpany the discharge of electricity 

 Hpeir mutual action. [See Electrical 



Hpansmitted by perfect conductors, are 



trie, distinguished from galvanic . 

 chiefly recognised by their effects on 



THERM. 

 MAGN. 



MAGN. 



NEW. OPT. 

 POP. INT. 



OPT. INST. . 



POP. INT. . 

 OPT. INST. 



ELECT. MAGN. 

 POP. INT. 

 ELECT. 



ELECT. MAGN. 



OPT. INST. 

 GALV. , 



THEUM. 

 ELECT. 



MAGN. 



THERM. 

 GALV. 



THERM. 



GALV. 



ELECT. 



21 



Page 



54 



. 50 



5560 



6872 



7274 



60,61 



22,23 



2931 



710 



53 



1618 



. 30 

 43 

 48 



. 47 



49 



5 



. 2 



83,84 

 3 

 3 



3238 



73 



52 



5,6 



59, 6Q 



27 

 52 



918 



34,35 



3639 



110 



3339 



1015 



1532 



6 



3 



31 



. 24 



14 



. 14 



14 



5760 

 19,20 

 20, 21 

 90, 91 

 4850 

 30,31 

 7 

 8 



4547 

 50,51 



IS 

 . 26 



ELECT. MAQN. . 57 76 



57 



93 



95 



K 



