. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. observed, are fitted withan auxiliary thermometer, have the capacitydetermined, etc. {IT A descriptive pamphlet, and price lists-^ of any other instruments, will be gladlyforwarded post free on request. NEGRETTI & ZAMBRA Makers of Oceanographical, Meteorological,Optical, Nautical, and Surveying Viaduct, London, : 45 Cornhill, ; 122, Regent St., W. LEITZNew and Improved Microscopes SUITABLE FOR EVERYREQUIREMENT in a variety of models, possessing many
. Science of the sea. An elementary handbook of practical oceanography for travellers, sailors, and yachtsmen. observed, are fitted withan auxiliary thermometer, have the capacitydetermined, etc. {IT A descriptive pamphlet, and price lists-^ of any other instruments, will be gladlyforwarded post free on request. NEGRETTI & ZAMBRA Makers of Oceanographical, Meteorological,Optical, Nautical, and Surveying Viaduct, London, : 45 Cornhill, ; 122, Regent St., W. LEITZNew and Improved Microscopes SUITABLE FOR EVERYREQUIREMENT in a variety of models, possessing many advantagesover the older type, and embodying several im-portant features not to be found in any others. LEITZ ENGLISH MODEL MICRO-SCOPES, combining the most important featuresof the English and Continental Stands. Portable Microscopes, Binocular and Mon-ocular Dissecting Microscopes, AplanaticPocket Lenses. Microtomes, Photo-micrographic Apparatus,Projection Lanterns, Prism Field and OperaGlasses, etc. Descriptive Price Lists of any or all of above post free. E. LEITZ, 18 Bloomsbury Sq., London, C. F. GASELLA & CO. LTD. Makers of Scientific Instrumentsjor all Purposes
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectocean, bookyear1912
