48o 



SCIENTIFIC NEWS. 



[May 



SALES. 



The Charge for Advertisements in this Column is Sixpence for the 

 first sixteen words, and Sixpence for e^ery succeeding eight words. 



Advertisements for this Column should be received by first post on 

 Tuesday to insure insertion in the following number. 



Large Assortment of Lathes, Planers, Drilling, Milling, 



and various new inventions and tools. — Britannia Company, 

 loo, Houndsditch London. — All letters, Britannia Tool Factory, 

 Colchester, England. Makers to the British Government. 



New Book on the Lathe, with notice of new appliances, metal 

 . spinning, milling, etc , in an ordinary lathe ; 3s. post free. — 

 Britannia Company, Colchester. 



Chisel Steel, i to 5 feet bars, | to i\ octagon, 13s. per cwt. — 

 Gilbert, Oxford Road, Sheffield. 



Best Cast Steel for tools, taps, and dies, drills, 6d. per lb. — 

 Gilbert, Oxford Road, Sheffield. 



Electro -Plating and Gilding successfully taught. Every 

 lequisite supplied. — Address, Henric, 234, Great Colmore-street, 

 Birmingham. 



Practical Hints on Electro-Plating, etc. — i stamp. — 

 Address, Henric, 234, Great Colmore-street, Birmingham. 



Dynamo, l2o-candle power, improved armature, loos. Photo. 

 5 stamps. — D. Walton, Ilebden Bridge, Yorkshire. 



Dynamo, 60-candles, improved armature, 45s. ; photo. 5 stamps. 

 Castings, lamps, etc. ; wire from is, 4d. per lb. 



Dynamo, 30-cindIes, 28s. ; lo-candles, 205. Photo. 5 stamps 

 each— D. Walton, Hebden Bridge, Yorkshire. 



Meerschaum and Briar Pipes Repaired, Mounted, or cased, 

 ambers fitted. — W. GEORGE, 324, Essex Road, IsUngton, London. 



Fretwork, Carving, Turning, Woods, Tools, and all 

 requisites. Catalogue with 700 illustrations, 6 stamps.— Harger, 

 Bros., Settle. 



Second-hand Lathes, and other tools, offered cheap ; on 

 view, Britannia Co., 100, Houndsditch, London. — Send 2 stamps 

 for list, to Britannia Works, Colchester. 



" Inventors' and Manufacturers' Patent and Trade Mark 

 Pocket Guide," by G. C. Marks, C.E., 13, Temple Street, 

 Birmingham. Four stamps. 



Sin. Burnishers, 7s. 6d. I Silver steel bar, warranted : 6i in., 

 I2S. 6d. ; 9 in., 203.; 15 in., 40s. — C. C. Vevers, Horsforth, 

 Leeds. 



Photographic Specialities, cheap and good. — Stills, head- 

 rests, backgrounds, washing machines, lamps, shutters, etc. Lists 

 free. — C. C. Vevers, Horsforth, Leeds. 



Mica or Talc cut for all purposes. Mica chimneys. Mica 

 covers, etc. — C. Johnson, 87, New Oxford Street, W.C. 



Mixing Paints. — A new book containing Trade Recipes, with 

 instructions and details for mixing, making, and using all kinds of 

 paints, oils, colours, etc., free. Is. 3d. — C. ICing, 28, Churchfield, 

 Barnsley, Yorkshire. 



A Safe and Effective Benzoline Lamp, 4-candle power, smoke- 

 less, 3s. free.— Wood, Patentee, BUndley Heath, Redhill. 



" The Best Modern Violin I have seen."- Professor Grattan. 

 —Wood, Artist, Blindley Heath, via Redhill. 



Patterns. — 100 Fretwork, 100 Repousse, 200 Turning, 300 

 Stencils, is. each. — Collins, Summerlays Place, Bath. 



" Dynamo Construction," illustrated treatise, is. Price lists 

 dynamo-castings for stamped envelope. — Alfred Crofts, Dover. 



Named Minerals, Fossils (Carboniferous Lias), twelve, 

 free, 2s. 6d. Polished minerals, from 6d. — C. Wardingley, 

 Blackwood Crescent, Edinburgh. 



EXCHANGES. 



Exchange Notices will be inserted in this Column at the rate of 

 Sixpence for the first twentyfour words, and Threepence for 

 every succeeding eight words. 



Advertisements for this Column should be received by first post on 

 Ttcesday to insure insertion in the following number. 



Splendid Solar Microscope, in case, by Nairne, six powers. 

 E.xchange photographic apparatus.— Ridout, Sunbury Common. 



100 Geological Specimens, named. Exchange, los. 

 Approval.— Holden, Hoyland Nether, Barnsley. 



SELECTED BOOKS. 



Outlines of Geology. By James Geikie, L.LD., F.R.S. 

 An Introductionto the Science for Junior Students and 

 General Readers. With 400 illustrations. London : 

 Edward Stanford. Price 12s. 



Three Cruises of the "Blake." By Alexander Agassiz, 

 Director of the Museum of Comparative Zoology at 

 Cambridge, Mass. Fully illustrated. London ; 

 Sampson Low, Marston, and Co. In 2 vols., Svo. 

 Frice 42s. 



Nature's Hygiene. A Systematic Manual of Natural 

 Hygiene. By C. T. Kingzett, T.I.C., F.C.S., Ex- 

 Vice-President of the Society of Public Analysts. 

 Third edition. London : Bailliere, Tindall, and Cox. 

 Price 7s. 6d. 



Antelope and Deer of America. Comprehensive Scientific 

 Treatise upon their Natural History, Characteristics, 

 Plabits, Affinities, and Domestication. By John 

 Dean Caton, LL.D. The subjects treated are the 

 American antelope, prong buck, moose, wapiti, elk, 

 caribou, reindeer, Virginia deer, Acapaculco deer, 

 etc. Second Edition. London : W. Wesley and 

 Son. Price 15s. 



The Australian Race. Its Origin, Languages, Customs, 

 Place of Landing in Australia, and the Routes by 

 which it spread itself over that Continent. By 

 Edward M. Curr. With map and illustrations. 

 London : Triibner and Co. Price ^2 2s. 



Granites and our Granite Industries. By Geo. F. Harris, 

 F.G.S., Membre de la ^Societe Beige de Geologic, 

 etc. With Illustrations. London : Crosby, Lock- 

 wood, and Co. Price 2s. 6d. 



METEOROLOGICAL RETURNS. 



For the ten weeks ending on Monday, May 7th, 1888, specially prepared for Scientific News from official reports 



the highest temperature observed during the last week of the period was 72 degs. at both Bawtry and Cambridge 

 high a temperature had not previously been observed since the week ending on the 5* of September, 1SS7. 



