Text- Books of Science. 



KEY to MERRIFIELD'S TEXT-BOOK of TECHNI- 

 CAL ARITHMETIC and MENSURATION. By the Rev. JOHN HUNTER, 

 M.A. one of the National Society's Examiners of Middle-class Schools; 

 formerly Vice-Principal of the National Society's Training College, Battersea. 

 Price 3s. 6<*. 



INTRODUCTION to the STUDY of INORGANIC 



CHEMISTRY. By WILLIAM ALLEV MILLER, M.D. LL.D. F.R.S. late Pro- 

 fessor of Chemistry in King's College, London : Author of ' Elements of 

 Chemistry, Theoretical and Practical.' New Edition, revised; with 71 

 Figures on Wood. Price 3s. 6d. 



TELEGRAPHY. By W. H. PREECE, C.E. Divisional Engineer 

 Post Office Telegraphs ; and J. SIVEWRIGHT, M.A. Superintendent (Engineer- 

 ing Department) Post Office Telegraphs. With 160 Figures and Diagrams. 

 Price 3s. 6d. 



The STUDY of ROCKS. An Elementary Text-Book of Petrology, 

 By FRANK RUTLEY, F.G.S. of Her Majesty's Geological Survey. With 6 

 Plates and 88 Woodcuts and Diagrams. Price 4s. 6d. 



WORKSHOP APPLIANCES, including Descriptions of the 

 Gauging and Measuring Instruments, the Hand Cutting Tools, Lathes, 

 Drilling, Planing, and other Machine Tools used by Engineers. By C. P. B. 

 SHELLEY, Civil Engineer, Hon. Fellow and Professor of Manufacturing Art 

 and Machinery at King's College, London. With 209 Figures oil Wood. 

 Price 3. M. 



STRUCTURAL and PHYSIOLOGICAL BOTANY. By 



OTTO WILHELM THOME, Ordinary Professor of Botany at the School of 

 Science and Art. Cologne. Translated and Edited by A. W. BENNETT, M.A. 

 B.Sc. F.L.S. Lecturer on Botany at Sc. Thomas's Hospital. Illustrated with 

 about 600 Woodcuts and a Coloured Map. Price 6s. 



QUANTITATIVE CHEMICAL ANALYSIS. By T. E. 



THORPB, F.R.S.E. Ph.D. Professor of Chemistry in the Andersonian Univer- 

 sity, Glasgow. With 88 Figures on Wood. Price 4 s. 6d. 



MANUAL of QUALITATIVE ANALYSIS and 



LABORATORY PRACTICE. By T. E. THORPE, Ph.D. F.R.S.E. Professor 

 of Chemistry in the Andersonian University, Glasgow ; and M. M. PATTISON 

 Mum. Price 3s. 6d. 



INTRODUCTION to the STUDY of CHEMICAL 



PHILOSOPHY ; the PRINCIPLES of THEORETICAL and SYSTEMATIC 

 CHEMISTRY. By WILLIAM A. TILDEN, B.Sc. London, F.C.S. Lecturer 

 on Chemistry in Clifton College. With 5 Woodcuts. Price 3s. 6d. 



ELEMENTS of MACHINE DESIGN ; an Introduction to 



the Principles which determine the Arrangement and Proportion of the Parts 

 of Machines, and a Collection of Rules for Machine Design. By W. CAW- 

 THORNE UNWIN, B.Sc. Assoc. Inst. C.E. Professor of Hydraulic and Mechanical 

 Engineering at the Royal Indian Civil Engineering College, Cooper's Hill. 

 With 219 Woodcuts. Price 3s. 6d. 



PLANE and SOLID GEOMETRY. By the Rev. H. W 

 WATSON, formerly Fellow of Trinity College, Cambridge, and late Assistant- 

 Master of Harrow School. Price 3s. Gd. 



London, LONGMANS & CO. 



