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PREFACE.

The chief design of the writer, in compiling the present work, was to supply a School Book at a low price, which might contain a series of Readings on Scientific subjects, as well as a selection of Poetry calculated for Elocutionary Exercises.

It had been for a considerable time a subject of regret amongst the scholastic profession, that while Scientific and Literary Societies are so universal, and afford adults such opportunities for acquiring information, there was no school book of cheap price, whose object was to initiate the more juvenile part of society into the science of Natural Philosophy. The “SCIENTIFIC READER,” it is presumed, will form this desideratum ; so that while the pupil is acquiring a correct method of reading, he will at the same time become acquainted with the principal facts and general phenomena of Philosophical Science.

The writer begs to acknowledge, that in drawing up the Scientific Readings, he has availed himself of assistance wherever he could obtain it; his principal aim has been to condense as much information in as few words as possible, and in language which cannot but be understood.

The POETICAL Part contains a new collection of the choicest poetry; Dramatic Scenes, Orations, &c., and those pieces which are more directly intended for Recitation, have notes and directions to guide the pupil in their delivery.

Under the head of Elocution, the youthful tyro will receive advice for the management of his voice and general deportment, in reading and speaking, together with an anatomical description of the organs of speech; while in the Poetical part, he will be introduced to the principal metres used in poetry, with appropriate Examples.

The GLOSSARY of Scientific Terms, it is hoped, will be found of considerable utility, as it is both copious and comprehensive.

The QUESTIONS for EXAMINATION also, which are numerous, and comprise the chief facts contained in the

READINGS,” are in accordance with the Catechetical system which has been so long and so successfully practised.

In conclusion, the writer begs to observe, that although he is aware that the “ SCIENTIFIC READER" must, in the Elocutionary and Poetic department yield the palm to the “ RHETORICAL SPEAKER,” yet he trusts that it will not be either an unworthy or an unprofitable Companion to its elder brother.

8, Upper Fountain Place, City Road.

CONTENTS.

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Powers—The different kinds of Levers—Wheel and Axle-Pulley

- Inclined Plane - Wedge and Screw, each explained, with the

principle of its action

64

GASEOUS BODIES.—Nature of Gaseous Bodies—Component parts of

Atmospheric Air-Oxygen-Nitrogen, and Carbonic Acid Gas--

Peculiar properties of each—How obtained for experiment, &c.

Component parts of Water-Oxygen and Hydrogen-Properties

of Hydrogen, &c. &c.-Carburetied Hydrogen-Sulphuretted Hy-

drogen-Phosphuretted Hydrogen-Chlorine-Nitrous Oxide,

or Laughing Gas—Their properties—How obtained for experi.

ment, &c.

69

Geology DeFINED.-Arrangements of the various Strata of the

Earth-Divisions of Strata.- Primitive Class-Subdivided into

the orders, Silicious, Aluminous, Calcareous, and Ponderous—

Metals in Primitive Class—Tin-Silver-Quicksilver-Platinum

-Gold.—Secondary Class—Subdivided into Silicious, Alumi-

nous, and Ponderous-Metals in Secondary ClassCopper, An-

timony, Zinc, and Lead.-Transitive Class--Subdivided into Alu-

minous, Calcareous, and Ponderous.—Metals in Transitive class

–Iron, Cobalt, and Manganese.-Flat, or Flætz Class-Subdi-

vided into Aluminous, Calcareous, and Ponderous—Coal for-

mations.-Allurial Class--Subdivided into Aluminous, Calcare.

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