Scientific Works published by Longmans, Green, 6r* Co, 19 



MACHINE DRAWING AND DESIGN. 



LONGMANS' LIST OF APPARATUS FOR USE IN GEO- 

 METRY, ETC. 



1. LONGMANS' ENGLISH AND METRIC RULER. Marked on one edge 



in Inches, Eighths, Tenths and Five-fifths. Marked on the other edge in 

 Centimetres. Price id. net. 



2. LOW'S IMPROVED SET SQUARES. Designs A & B. 45 to 60. 



A i 45 4" ^ fB i 45 4" each i/- net. A i 60 4" \ (B i 60 4" each i/- net. 

 A 2 45 6" Vor]B2456" ,, 1/3 A 2 60 6" Vor^ B 2 60 6" ,, 1/3 ,, 

 A 3 45 6*" I IB 3 45 8*" 2/- A 3 60 8^" J U 3 66" 8*" 2/- 



3. LOW'S IMPROVED PROTRACTORS (Celluloid). Protractor No. 2. 3" 



radius, marked in degrees, 6d. net. Protractor No. 3. 4" radius, marked in 

 i-degrees, gd. net. 



4. LOW'S ADJUSTABLE PROTRACTOR SET SQUARE, as. 6d. net. 



5. LONGMANS' BLACKBOARD ENGLISH AND METRIC RULE. One 



Metre ; marked in decimetres, centimetres, inches, half-inches and quarter- 

 inches. 2s. 6d. 

 *#* A Detailed and Illustrated Prospectus will be sent on application. 



LOW.Woiks by DAVID ALLAN LOW, Professor of Engineer- 

 ing, East London Technical College (People's Palace). 

 AN INTRODUCTION TO MACHINE DRAWING AND 



DESIGN. With 153 Illustrations and Diagrams. Crown 8vo., as. 6d. 



THE DIAGRAM MEASURER. An Instrument for measuring 



the Areas of Irregular Figures and specially useful for determining the Mean 

 Effective Pressure from Indicator Diagrams from Steam, Gas and other 

 Engine-. Designed by D. A. Low. With Full Instructions for Use. is. net. 



LOW AND BE VIS. A MANUAL OF MACHINE DRAWING 



AND DESIGN. By DAVID ALLAN Low and ALFRED WILLIAM BEVIS 

 M.I.Mech.E. With 700 Illustrations. 8vo., 75. 6d. 



raw/TV. THE ELEMENTS OF MACHINE DESIGN. By 



W. CAWTHORNE UNWIN, F.R.S. 

 Part I. General Principles, Fastenings, and Transmissive 



Machinery. With 345 Diagrams, etc. Fcp. 8vo., 75. 6d. 



Part II. Chiefly on Engine Details. With 259 Illustrations. 



Fcp. 8vo., 6s. 



MINERALOGY, MINING, METALLURGY, ETC. 



-BAUERMAN.Vfoite by HILARY BAUERMAN, F.G.S. 

 SYSTEMATIC MINERALOGY. With 373 Illustrations. 



Fcp. 8vo. , 6s. 



DESCRIPTIVE MINERALOGY. With 236 Illustrations. 



Fcp. 8vo., 6s. 



BREARLEY AND IBB O TSON. THE ANALYSIS OF 

 STEEL-WORKS MATERIALS. By HARRY BREARLEY and FRED 

 IBBOTSON, B.Sc. (Lond.), Demonstrator of Micrographic Analysis, University 

 College, Sheffield. With 85 Illustrations. 8vo., 14*. net. 



SREARLEY. THE, ANALYTICAL CHEMISTRY OF 



URANIUM. By HARRY BREARLEY, Joint Author of Brearley and Ibbotson's 

 ' Analysis of Steel-Works Materials '. 8vo., 2s. net. 



GORE. THE ART OF ELECTRO-METALLURGY. By G. 

 GORE, LL.D., F.R.S. With 56 Illustrations. Fcp. 8vo., 6s. 



