The Boy's Playbook of Science / Including the Various Manipulations and Arrangements of Chemical and Philosophical Apparatus Required for the Successful Performance of Scientific Experiments in Illustration of the Elementary Branches of Chemistry and Natural Philosophy

by John Henry Pepper

Illustrated with 470 Engravings,
CHIEFLY EXECUTED FROM THE AUTHOR'S SKETCHES, BY H. G. HINE.

LONDON:

GEORGE ROUTLEDGE AND SONS,

THE BROADWAY, LUDGATE.
NEW YORK: 416, BROOME STREET.
1869.

LONDON.

SAVILL, EDWARDS AND CO., PRINTERS, CHANDOS STREET.
COVENT GARDEN.

Wheatstone's telephonic concert at the Polytechnic, in which the sounds and vibrations pass inaudible through an intermediate hall, and are reproduced in the lecture-room unchanged in their qualities and intensities. Frontispiece.

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