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

HERSCHELL'S ASTRONOMY.

A TREATISE ON ASTRONOMY,
BY SIR JOHN F. W. HERSCHELL, F. R. S., &c.
WITH NUMEROUS PLATES AND WOOD-CUTS.
A NEW EDITION, WITH A PREFACE AND A SERIES OF QUESTIONS,
BY S. C. WALKER.

In one volume, 12mo.

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