Fcp. 8vo. cloth, price 2s. 6d. HALF-HOURS WITH THE TELESCOPE; Being a Popular Guide to the Use of the Telescope as a means of Amusement and Instruction. 'Full of practical information.'-MORNING STAR. 'A simple and useful exposition of the science and art of observing with the telescope-what to see and how to see it.'-GLOBE. 'Mr. Proctor has a good name in astronomical instruction. He here gives us an introduction on the structure of the telescope, which will add much to the beginner's outfit....... Mr. Proctor is likely to do something towards making the instruments complete: we mean towards fitting the eye-pieces with eyes.'-ATHENÆUM. Crammed with starry plates on wood and stone....... Full of "useful and interesting information," and will form a valuable companion to the various admirable handbooks for which Mr. Hardwicke enjoys so good a reputation.'-ILLUSTRATED TIMES. "Celestial phenomena and telescopic construction are here so clearly expounded as to fully entitle the little work to be called “a We know not which most to admire, the clear, pointed, descriptive letter-press, or the equally useful and comprehensive maps..... We do not know of any other work so admirably adapted to render the study of the phenomena of the heavens, at once interesting and instructive to beginners.'-DERBY MERCURY. 'Well fitted to direct the curiosity of those who have at command a good two-inch object glass. Those who have worked without such an aid as Mr. Proctor here affords will best appreciate the value of such a guide.'-NONCONFORMIST. London: ROBERT HARDWICKE, 192 Piccadilly. THE POPULAR SCIENCE REVIEW. First Series. 8 vols. complete. Cloth, £4 18s. 6d. ; half-morocco, £6 2s. 6d. The First Series of this popular work, consisting of 8 vols. is now complete, and contains a careful résumé of every 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 Scientific World. Amongst the rest the following may be named as bearing on Astronomical Science, many of which are illustrated by chromolithography. By R. A. PROCTOR, B.A., F.R.A.S. How to work with the Telescope. The Planet Mars in January 1867. Jupiter without his Satellites. The Great Eclipse of August 1868. The Planet Mars in February 1869. The use of the Spectroscope in Astronomical Observations. The Planet Saturn in July 1869. Are there any Fixed Stars? By R. HUNT, F.R.S. Solar Chemistry. Light and Colour. Physics of a Sunbeam. The Sources of Heat in the Sun. The Physical Phenomena of other Worlds. A Message from the Stars. By H. DEBUS, Ph.D., F.R.S. On the Absorption and Radiation of Heat. By JAMES BREEN. The Sun and Solar Phenomena. The Moon. By JAMES SAMUELSON. By JAMES GLAISHER, F.R.S. Balloon Ascents and their Scientific Importance, with Illustrations showing the arrangement of Instruments in Car of Balloon. By B. W. RICHARDSON, M.D., F.R.S. Sun Force and Earth Force. By TOWNSEND HALL, F.G.S. London: ROBERT HARDWICKE, 192 Piccadilly. Ꭷ 32556 HALF-HOURS WITH THE STARS: A PLAIN AND EASY GUIDE ΤΟ THE KNOWLEDGE OF THE CONSTELLATIONS, SHOWING, IN 12 MAPS, THE POSITION OF THE PRINCIPAL STAR-GROUPS NIGHT AFTER NIGHT THROUGHOUT THE YEAR, WITH INTRODUCTION LATE SCHOLAR RICHARD BY A. PROCTOR, B.A., F.R.A.S. OF ST. JOHN'S COLLEGE, CAMBRIDGE, AND MATHEMATICAL SCHOLAR OF KING'S COLLEGE, LONDON: SECOND EDITION. LONDON: ROBERT HARDWICKE, 192 PICCADILLY. 1870. |