Scientific Works published by Longmans, Green, &• Co. 15 



MACHINE DRAWING AND DESIGN. 



LOW and BEYIS — A Manual «f Machine Drawing and Design. By 



David Allan Low (Whitworth Scholaf), M.I. Mech. B., Headmaster 

 of the Technical School, People's Palace, London; and Alfbbd 

 William Bevis (Whitworth Scholar), ' M.L Mech.E., Director of 

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LOW — ImproTed Drawing Scales. By David Allan Low. 4i. in case. 



LOW — An Introduction to Machine Drawing and Design. By David 

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UNWIN— The Elements of Machine Design. By W. Oawthorne 

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ASTRONOMY, NAVIGATION, &c. 



BALL— Works by Sir Robbet S. Ball, LL.D., F.RS. 



Elements of Astronomy. With 136 Figures and Diagrams, and 



136 Woodcuts. Fcp. 8vo. 6s. ^ 



A Class-Book of Astronomy. With 41 Diagrams. Fcp. 8vo. Is. 6d. 



B(EDDICKER— The Milky Way. From the North Pole to 10° of South 

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BEINKLEY— Astronomy. By F. Bbinklbt, formerly Astronomer Royal ' 

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CLERKE— The System of the Stars. By Agnes M. Clerkb. With 6 

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CUBSOIf— The imateur Telescopisfs Handbook. By Frank M. 

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HERSCHEL— Outlines of Astronomy. By Sir John F. W. Herschbl, 

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MARTIN— Navigation and Nautical Astronomy. Compiled by Staff- 

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MEBRIFIELD— A Treatise on Navigation for the use of Students. By 



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WEBB— Celestial Objects for Common Telescopes. By the Rev. T. W. 

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