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GUIDE

TO THE

KNOWLEDGE OF THE CONSTELLATIONS.

Proctor

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Being a Popular Guide to the Use of the Telescope as a means of Amusement and Instruction.

By R. A. Proctor, B.A., F.R.A.S. Full of practical information.'- MORNING STAR.

useful and reliable guide to the amateur telescopist." '-WEEKLY A simple and useful exposition of the science and art of obsery

DISPATCH. ing with the telescope-what to see and how to see it.' -GLOBE.

A very interesting and instructive volume has been produced, and Mr. Proctor has a good name in astronomical instruction. He

one worthy of wide circulation.'-SUNDAY TIMES. here gives us an introduction on the structure of the telescope, which will add much to the beginner's outfit....... Mr. Proctor is

We know not which most to admire, the clear, pointed, descriplikely to do something towards making the instruments complete: tive letter-press, or the equally useful and comprehensive maps..... we mean towards fitting the eye-pieces with eyes.'-ATHENÆUM.

We do not know of any other work so admirably adap:ed to render Crammed with starry plates on wood and stone....... Full of

the study of the phenomena of the heavens, at once interesting and

instructive to beginners,' - DERBY MERCURY. “ useful and interesting information," and will form a valuable companion to the varions admirable handbooks for which Mr.

Well fitted to direct the curiosity of those who have at command Hardwicke enjoys so good a reputation.'-ILLUSTRATED TIMES.

a good two-inch object glass. Those who have worked without Celestial phenomena and telescopic construction are here so such an aid as Mr. Proctor here affords will best appreciate the clearly expounded as to fully entitle the little work to be called "a

value of such a guide.'-NONCOXFORMIST.

London : ROBERT HARDWICKE, 192 Piccadilly.

THE POPULAR SCIENCE REVIEW.

First Series. 8 rols, complete. Cloth, £4 188. 6d.; half-morocco, £6 28. 6d. The First Series of this popular work, consisting of 8 vols. is now complete, and contains a careful résumé of erery branch of Science for the last eight years, with Reviews of the Principal Scientific Books which appeared during that period, as well as Popular and Interesting Articles by well-known Writers on nearly every subject which engaged the attention of the Scieniific World. Amongst the rest the following may be named as bearing on Astronomical Science, many of which are illustrated by chromolithography.

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HALF-HOURS WITH THE STARS:

A PLAIN AND EASY GUIDE

TO

THE KNOWLEDGE OF THE CONSTELLATIONS,

SHOWING, IN 12 MAPS, THE POSITION OF THE PRINCIPAL
STAR-GROUPS NIGHT AFTER NIGHT THROUGHOUT THE YEAR, WITH INTRODUCTION

AND A SEPARATE EXPLANATION OF EACH MAP.

AND

A SEPARATE EXPLANATIO

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TRUE FOR EVERY YEAR.

BY

RICHARD A. PROCTOR, B.A., F.R.A.S.

LATE SCHOLAR OF ST. JOHN'S COLLEGE, CAMBRIDGE, AND MATHEMATICAL SCHOLAR OF KING'S COLLEGE, LONDON :
AUTHOR OF 'SATURN AND ITS SYSTEM,' 'HALF-HOURS WITH THE TELESCOPE,' 'THE HANDBOOK OF THE STARS,'

'SUNVIEWS OF THE EARTH, ETC, ETC.

SECOND EDITION.

LONDON :
ROBERT HARDWICKE, 192 PICCADILLY.

1870.

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