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accuracy accurate acre adjusted angle Answer ascertained axis base bearing calculated centre chain circle coal column compass convenient correct course Crown 8vo curve cutting depth Diagrams dial difference direction distance divided drawing drawn Engineering equal error feet figure fixed give given graduated ground height horizontal Illustrations inches inclination length less light logarithm London lower magnetic mark means measured meridian method mining minutes moved natural necessary needle noted observed obtained offsets ordinary parallel placed plane Plates plotted pole position PRACTICAL Professor radius reduced reference road rule scale seam shaft shown in Fig shows side sight sine square staff star station straight surface survey surveyor taken telescope temperature theodolite thickness triangle tube turned vernier vertical wire yards
Page 20 - Other Worlds than Ours ; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Page 20 - NEW STAR ATLAS for the Library, the School, and the Observatory, in 12 Circular Maps (with 2 Index Plates).
Page 14 - BALE.— A. HAND-BOOK FOR STEAM USERS; being Rules for Engine Drivers and Boiler Attendants, with Notes on Steam Engine and Boiler Management and Steam Boiler Explosions. By M. Powis BALE, MIME, AMICE Fcp. 8vo., 2s.
Page 22 - Photogravure by Sir JE MILLAIS, Bart., PRA, 8 Photogravure Plates, 2 Coloured Plates and 50 Illustrations from the Author's Drawings and from Photographs. Royal 410., gilt top, 301.
Page 20 - OTHER SUNS THAN OURS : a Series of Essays on Suns— Old, Young, and Dead. With other Science Gleanings. Two Essays on Whist, and Correspondence with Sir John Herschel.
Page 3 - Works by WILLIAM A. TILDEN, D.Sc. London, FRS, Professor of Chemistry in the Royal College of Science, South Kensington.
Page 14 - MARINE STEAM ENGINE : A Treatise for Engineering Students, Young Engineers and Officers of the Royal Navy and Mercantile Marine. By the late RICHARD SENNETT, Engineer-in-Chief of the Navy, etc.
Page 36 - Illustrations. Crown 8vo. , 2s. 6d. ELEMENTARY PHYSIOGRAPHY. By J. THORNTON, MA With 13 Maps and 295 Illustrations. With Appendix on Astronomical Instruments and Measurements. Crown 8vo. , 2s. 6d.