Nature . eters, , OpticalBenches, &c., &c. Instruments for special purposes cQn>tiuctcd to Ciietltbown designs. Price List on application. W. WILSON {formerly Foreman at Messrs. ELLIOTr BROS.), 56 Crogsland Road, Chalk Farm, London, Contractor to Government. ESTA&LiSHBD 1890. Telephone, 3539> E. W. ALLEN & CO., TYPE AND SHORTHAND WRITERS, ;g Street, London, MSS., , , ., &c., , >|uickly,and intetligently copied. Typists and Stenographers sent out for temporarywork. Re/trcnces .•> 0/ tli


Nature . eters, , OpticalBenches, &c., &c. Instruments for special purposes cQn>tiuctcd to Ciietltbown designs. Price List on application. W. WILSON {formerly Foreman at Messrs. ELLIOTr BROS.), 56 Crogsland Road, Chalk Farm, London, Contractor to Government. ESTA&LiSHBD 1890. Telephone, 3539> E. W. ALLEN & CO., TYPE AND SHORTHAND WRITERS, ;g Street, London, MSS., , , ., &c., , >|uickly,and intetligently copied. Typists and Stenographers sent out for temporarywork. Re/trcnces .•> 0/ tlie Royal ami ether Scientific Secitlitt,and Mtmitrt o/tlu Mclual Profession. Terms on .ipplication. RESEARCH. CIIKMISTRV .vNii riiVSICS. Well-fitted !01!.\ TORIES can be used for Research at any hjurconvenient to Workers, Room fur IhotOKraphic and other for making Apparatus. Electric Mains for Experiments,—T., 4 Heathcote Street, Grays Inn Road Hf^J 50^7. A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. To the solid groundOf Nature trusts the mind which builds for aye.—WORDSWORTH. No. 1525, Vol. 59] THURSDAY, JANUARY 19. 1899. [Price Sixpence. Registered as a Newspaper at the General Post Office.] [All Rights are Reserved. THE NEWTONIAN , THE UNIVERSAL SCIENCE LANTERN (IV FS & NEWTONP\TENT)


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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience