Elements of magnetism and electricityW. Collins, Sons,, 1877 |
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attracted bar magnets becomes charged charged with positive coating coil compass needle condenser connected consists copper plate copper wire Daniell's dilute sulphuric acid dipping needle disc discharge diverge dry pile earth elec electric charge electric current electric density electric spark electrical machine electrified electrified body electro-motive force electrolysis electrometer electrophorus EXPERIMENT flannel fluids FRICTIONAL ELECTRICITY galvanometer glass cylinder glass legs glass rod glass tube gold leaves gold-leaf electroscope gutta-percha hydrogen immediately inches inductive action insulated kind of electricity Leyden jar liquid loadstone magnetic needle magnetised means metallic molecules negative electricity neutral opposite pass piece pith ball platinum polarity porous cell positive electricity prime conductor proof-plane quantity of electricity repelled repulsion resin rubber sealing-wax shell-lac shown in fig soft iron south pole steel sulphuric acid surface suspended theory tin-foil tion tricity vessel Voltaic cell Voltaic current Voltaic pile vulcanite wooden zinc plate
Beliebte Passagen
Seite 203 - In all cases the number of the question must be placed before the answer on the worked paper.
Seite 157 - It may be proved that this immortal discovery arose in the most immediate and direct manner from a slight cold with which a Bolognese lady was attacked in 1790, for which her physician prescribed the use of frog broth.
Seite 220 - COLLINS' SERIES OF SCHOOL ATLASES-CONTINUED. PHYSICAL GEOGRAPHY— Imperial Series, THE PORTABLE ATLAS OF PHYSICAL GEOGRAPHY, 20 Maps, II by 13 inches, mounted on Guards, Imp. 8vo, cloth, ... THE STUDENT'S ATLAS OF PHYSICAL GEOGRAPHY, 20 Maps, mounted on Guards. With Letterpress Description and Wood Engravings. By James Bryce, LL.D., FRGS Imp. 8vo, cl., HISTORICAL GEOGRAPHY.