Conversation

MAGNETISM.

XXIII. The Magnet

XXIV. Magnetic Attraction and Repulsion
XXV. Methods of making Magnets
XXVI. Mariner's Compass

ELECTRICITY.

XXVII. Early History of Electricity
XXVII. Electrical Attraction and Repulsion
XXIX. Electrical Machine

XXX. Electrical Machine

XXXI. Electrical Attraction and Repulsion
XXXII. Electrical Attraction and Repulsion
XXXIII. The Leyden Phial -

XXXIV.

Lane's Electrometer, and the Electrical
Battery

XXXV. Experiments with the Battery
XXXVI. Miscellaneous Experiments

XXXVII. Electrophorus, Thunder-House, &c.
XXXVIII. Atmospherical Electricity

XXXIX. Aurora Borealis; Water-Spouts; Earth-

quakes

XL. Medical Electricity

XLI. Animal Electricity -

187

192

199

-

204

208

214

224

228

232

241

XLV. Voltaic Conductors, Circles, Tables, &c.

251

XLVI. Miscellaneous Experiments

257

Glossary and Index

263

THE NEW YORK PUBLIC LIBRARY

ASTOR, LENOX AND TILBEN FOUNDATIONS.