Nature . loi. Multiple-PlateMachines, ;^20 to .£150. As made for the Science and Art Depart-ment, and the Universities of Oxford, Cambridge, London, Sydney,, McGill, Montreal, &c. 3 FLEET STREET, TEMPLE BAR, LONDON, SHORT BEAM BALANCES. CHEAP, , KNIFE EDGES AND PLANES OF AGATE Compensating Stirrup Suspenders. To carry 200^ 500 grammes. Price £7. £9 9s. ASSAY BALANCES. Aluminium Beams. 5 Grammes in each Pan. Indicate,, £10 10s. and £ CHEMICAL BALANCE. New design Sliding Rider. To carry loo ?? - 25ogrms. Indicates ^ In £8 15s. J^£10 iOs. WRITE for BAL


Nature . loi. Multiple-PlateMachines, ;^20 to .£150. As made for the Science and Art Depart-ment, and the Universities of Oxford, Cambridge, London, Sydney,, McGill, Montreal, &c. 3 FLEET STREET, TEMPLE BAR, LONDON, SHORT BEAM BALANCES. CHEAP, , KNIFE EDGES AND PLANES OF AGATE Compensating Stirrup Suspenders. To carry 200^ 500 grammes. Price £7. £9 9s. ASSAY BALANCES. Aluminium Beams. 5 Grammes in each Pan. Indicate,, £10 10s. and £ CHEMICAL BALANCE. New design Sliding Rider. To carry loo ?? - 25ogrms. Indicates ^ In £8 15s. J^£10 iOs. WRITE for BALANCE CA TALOGUE JOHN J. GRIFFTn & SONS, If 20-26 SARDINIA STREET, LONDON, PROGRESSIVE SCIENCE SERIES. [UST PUBLISHED. VOLCANOES. BV T. G. BONNEY, , , , Professor of Geology at University College, 8vo, cloth extra, fully Illustrated, 6S. B)- \olumcs frinnotisly publiihtd. Uniform in size and STUDY OF MAN: An Introduction to Ethnology. Professor A. C. Haddon, , , GROUNDWORK OF SCIENCE. By St. George Mivakt, , , F SCULPTURE. By Professor Geikie, , Illus- THE Rivers ofIllustrated. RIVER DEVELOPMENT, as IllustratedNorth America. By Professor I. C. Russel JOHN MURRAY, ALBEMARLE STREET. SPECTACLESELECTRIC LIGHT, INCANDESCENT GAS. And other Powerful lUuminants.


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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience