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Embellished with Copper Plates designed and engraved by
EMINENT ARTISTS.

SECOND EDITION: Corrected and much enlarged.
TRANSPORTATION LIKEAPY

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PRINTED FOR LONGMAN, HURST, REES, ORME AND CO.,
J. HARRIS, SCATCHERD AND LETTERMAN, PEACOCK
AND BAMPTON, WILKIE AND ROBINSON, AND R.
BALDWIN.

AE 5

•P74 1811 V.1

༣ ཝཱ ༣, སཱ

Frinted by T. C. HANSARD,

Peterborough Court, Fleet Street, Londen.

Salkeld 11-24-36.

Gen Liter 11-5-2

PREFACE

! 1-12-52MFF

TO THE

SECOND EDITION.

IN presenting the public with a new impression of the POCKET ENCYCLOPEDIA, the editor, into whose hands it has now fallen, thinks it right to notice the additions which have been made to it. The quantity of letter press is increased full a third; much of the original matter has been obliterated, to make room for other subjects that were deemed more useThe former edition was com→ ful and interesting. posed chiefly with a view to Polite Literature and the Arts; in the present is combined a vast quantity of materials connected with the Sciences properly so denominated.

In Natural Philosophy, a variety of articles will be found in their respective places, such as Electricity, Hydraulics, Hydrostatics, Magnetism, Mechanics, These have Optics, Pneumatics, and Voltaism. well-enbeen explained and illustrated with many graved plates.

A brief introduction to Chemistry will be found under the proper term, connected with the articles Chemical Apparatus, Distillation, Hydrogen, La boratory, Metals, Mineralogy, Oxygen, &c.

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