GENERAL SCIENTIFIC WORKS 



PROCTOR. WORKS by RICHARD A. PROCTOR continued. 



OUR PLACE AMONG INFI- 

 NITIES. A Series of Essays 

 contrasting our Little Abode in 

 Space and Time with the Infini- 

 ties around us. Crown 8vo, 5*. 



STRENGTH AND HAPPI- 

 NESS. Crown 8vo, 5*. 



STRENGTH: How to get Strong 

 and keep Strong, with Chapters 

 on Rowing and Swimming, Fat, 

 Age, and the Waist. With 9 Il- 

 lustrations. Crown 8vo, 2s. 



THE EXPANSE OF HEAVEN, 

 Essays on the Wonders of the 

 Firmament. Crown 8vo, $s. 



THE GREAT PYRAMID, OB- 

 SERVATORY, TOMB, AND 

 TEMPLE. With Illustrations. 

 Crown 8vo, $s. 



PLEASANT WAYS IN 

 SCIENCE. Crown 8vo, 5*. 



MYTHS AND MARVELS OF 

 ASTRONOMY. Crown 8vo, 5*. 



CHANCE AND LUCK ; a Dis- 

 cussion of the Laws of Luck, 

 Coincidences, Wagers, Lotteries, 

 and the Fallacies of Gambling, 

 &c. Crown 8vo, 2s. boards, 

 2s. 6d. cloth. 



NATURE STUDIES. By 

 GRANT ALLEN, A. WILSON, 

 T. FOSTER, E. CLODD, and 

 R. A. PROCTOR. Crown 8vo, 5*. 



LEISURE READINGS. ByE. 

 CLODD, A. WILSON, T. FOSTER, 

 A. C. RUNYARD, and R. A. 

 PROCTOR. Crown 8vo, $s. 



SCHELLEN. SPECTRUM ANALYSIS IN ITS APPLICATION 



TO TERRESTRIAL SUBSTANCES, and the Physical Constitution 

 of the Heavenly Bodies. Familiarly explained by the late Dr. H. SCHELLEN. 

 Translated from the Third Enlarged and Revised German Edition by JANE 

 and CAROLINE LASSELL. Edited, with Notes, by Capt. W. DE W. 

 ABNEY, R.E. Second Edition. W 7 ith 14 Plates (including Angstrom's and 

 Cornu's Maps) and 291 Woodcuts. 8vo. Price 31 j. 6d. 



SCOTT. WEATHER CHARTS AND STORM WARNINGS. 

 By ROBERT H. SCOTT, M.A., F.R.S. With numerous Illustrations. 

 Crown 8vo, 6s. 



SLINGO AND BROOKER. ELECTRICAL ENGINEERING 

 FOR ELECTRIC LIGHT ARTISANS AND STUDENTS. 



(Embracing those branches prescribed in the Syllabus issued by the City and 

 Guilds Technical Institute.) By W. SLINGO, Principal of the Telegraphists' 

 School of Science, &c., &c., and A. BROOKER, Instructor on Electrical 

 Engineering at the Telegraphists' School of Science. With 307 Illustrations. 

 Crown 8vo, price los. 6d. 



SMITH. GRAPHICS ;. OR, THE ART OF CALCULATION 

 BY DRAWING LINES, applied to Mathematics, Theoretical Me- 

 chanics and Engineering, including the Kinetics and Dynamics of Machinery, 

 and the Statics of Machines, Bridges, Roofs, and other Engineering Structures. 

 By ROBERT H. SMITH, Professor of Civil and Mechanical Engineering, 

 Mason Science College, Birmingham. 



PART I. Text, with separate Atlas of Plates Arithmetic, Algebra, 

 Trigonometry, Vector, and Locor Addition, Machine Kinematics, and Statics 

 of Flat and Solid Structures. Svo, 15*. 



