Endless Amusement / A Collection of Nearly 400 Entertaining Experiments in Various Branches of Science; Including Acoustics, Electricity, Magnetism, Arithmetic, Hydraulics, Mechanics, Chemistry, Hydrostatics, Optics; Wonders of the Air-Pump; All the Popular Tricks and Changes of the Cards, &c., &c. to Which is Added, a Complete System of Pyrotechny; Or, the Art of Making Fire-works.

by Unknown

YOUATT ON THE HORSE, &c., by Skinner, 1 vol. 8vo, many cuts.

YOUATT ON THE DOG, with plates, 1 vol. crown 8vo, beautiful crimson cloth.

YOUATT ON THE PIG, 1 vol. 12mo, extra cloth, with cuts.
Same work in paper, price 50 cents.

Together with numerous works in all departments of Medical Science, Catalogues of which can be had on application.

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THE AMERICAN ENCYCLOPÆDIA.
BROUGHT UP TO 1847.

THE ENCYCLOPÆDIA AMERICANA:
A POPULAR DICTIONARY
OF ARTS, SCIENCES, LITERATURE, HISTORY, POLITICS, AND BIOGRAPHY,
IN FOURTEEN LARGE OCTAVO VOLUMES OF OVER SIX HUNDRED
DOUBLE COLUMNED PAGES EACH.

For sale very low, in various styles of binding.

Some years having elapsed since the original thirteen volumes of the ENCYCLOPÆDIA AMERICANA were published, to bring it up to the present day, with the history of that period, at the request of numerous subscribers, the publishers have just issued a

SUPPLEMENTARY VOLUME (THE FOURTEENTH),
BRINGING THE WORK UP TO THE YEAR 1847.
EDITED BY HENRY VETHAKE, LL.D.
Vice-Provost and Professor of Mathematics in the University of Pennsylvania, Author of "A Treatise on Political Economy."