400 



SCIENTIFIC NEWS. 



[Oct. 12, 1 888. 



SALES. 



The Charge for Advertisements in this Column is Sixpence for the 

 first sixteen words, and Sixpence for every succeeding eight words. 



Advertisements for this Column should be received by first post on 

 Tuesday to insure insertion in the following number. 



Electrical Apparatus— Special batteries for cautery, require 

 no attention, plates remain in the liquid, no acids. 



Electrical Apparatus : Special hand, foot, and power dynamos, 

 for cautery, incandescent lighting, etc, wound with silk- covered 



Electrical Apparatus : Electromotors, dynamos, galvanometers, 

 resistances, batteries, etc.— G. BOWRON, 97. Crawford Street, 

 London, W. 



Wanted.— Trap Door Spiders and Nests ; Larva: and image ot 

 Ant Lion (Myrmelion) ; "stick" and " leaf " insects ; for cash or 

 exchange. State price or desiderata.— MARK Sykes, Adelphi 

 Street, Salford. 



Zuccato Typograph— Cost 7 guineas; will take /,3 10s., or 

 offers.— Address, B., Scientific News, 138, Fleet Street. _ 



Amateur Mechanics supplied with Lathes, Drilling, Planing 

 Machines, Castings, etc. Cash, or easy payments.— Britannia Com- 

 pany, 100, Houndsditch, London. 



Britannia Co. Bona-fide makers of 300 varieties of lathes, and 

 other engineers' tools. Prize medals. Makers to the Biitish 

 Government. 



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

 Address Henric, 234, Great Colmore Street, Birmingham. 



Amalgamating Brushes, Scratch-brushes, Polishing Sand, 

 Calico Mops, Rouge and Crocus Compositions, Nickel Salts and 

 Anodes.— Henric, 234, Great Colmore Street, Birmingham. 



Do your own Electro Plating and Gilding. System inex- 

 pensive. Particulars one stamp.— Perks, 47, Alexandra Road, 

 Richmond, Surrey. , 



Watts' Gas Engines, all sizes, from \\ bore, slide explodes 

 charge, simple. Lists, 3 stamps. — Below. 



Watts' Gas Engines, work without noise, are easily made up. 

 Castings supplied. List, 3 stamps.— Below. 



Dynamos tor plating and lighting, experimental dynamos, 

 electro motors, separate parts, wire, punchings, etc.— Below. 



Dynamos, highest efficiency, castings or finished. List, 2 stamps. 

 —Williams, Watt, and Co., Belsbaw Street, Homerton, E. 



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

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



EXCHANGES. 



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

 Sixpence for the first twenty-four words, and Threepence for 

 every succeeding eight words. 



Advertisements for this Column should be received by first post on 

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Powerful Electro-Motor, Grigson's pattern, on polished 

 mahogany stand. Exchange for lantern slides, chromatropes, 

 etc., to value 3CS.— G. Harris, 17, York Street, Nottingham. 



Student's Microscope, 2 achromatic powers, in mahogany 

 cabinet, with 2 dozen best mounted slides. Exchange lantern 

 slides to value £2.— G. Harris, as above. 



SELECTED BOOKS. 



The Principles of Agricultural Practice as an Instruc- 

 tional Subject. By J. Wrightson, M.R.A.C-, 

 F.C.S., etc., Professor of Agriculture in the Normal 

 School of Science and Royal School of Mines, etc. 

 With Geological Map. London : Chapman and 

 Hall, Limited. Price 5s. 



The Building of the British Islands. A Study in Geo- 

 graphical Evolution. By A. J. Jakes-Browne, F.G.S., 

 of the Geological Society of England and Wales. 

 London : Bell and Co. Price 7s. 6d. 



Kirke's Handbook of Physiology. Twelfth edition. 

 Thoroughly revised and edited by W. Morrant 

 Baker, F.R.C.S., and Vincent Dormer Harris, M.D. 

 London : J. Murray. Price 14s. 



The Industrial Self-Instructor in the leading branches ot 

 Technical Science and Industrial Arts and Processes. 

 With practical, useful, and technical notes, facts and 

 figures for ready reference. Profusely illustrated 

 by working drawings, designs, and diagrams. In 

 five volumes. London : Ward, Lock and Co. 

 Price 7s. 6d. each. 



A Text-Book of Physiology. By Michael Foster, M.A., 

 M.D., LL.D.,F.RS., Professor of Physiology in the 

 University of Cambridge, etc. With illustrations. 

 Fifth and thoroughly revised edition. In three 

 parts. Part I. comprising Book I., Blood — The 

 Tissues of Movement — The Vascular Mechanism. 

 London : Macmillan and Co. Price 10s. 6d. 



DIARY FOR NEXT WEEK. 



Saturday, Oct. 13. — Chesterfield and Midland Counties Institution 

 of Engineers, at 2'45 p.m. — The Dumb 

 . Fault; Mr. G. Elmsley Coke. Stanley's 

 Coal Hading Machine; Mr. R. Stanley. 

 Past and Present Methods of Banking Coal 

 at A nnes ley ; Mr. J. Timms. A Ikible- 

 Acting Wedge for Getting Coal ; Mi. i . C. 

 Cox. 



NOTICES. 



The Title Page and Index to Vol. I., now ready, price 3d. 



Binding Cases for Vol. I., price 2s. each. 



Cases and Binding, Vol. I., including Title Page and Index, 

 price 3s. 



Vol. I., bound in cloth, with Title Page and Index, 9s. 6d. 

 — by post 10s. 



The Back Numbers of Scientific News can be obtained 

 from all Booksellers and Newsagents, or direct from the 

 Publisher, 138, Fleet-street, London, E.C. Price 3d. each, or 

 by post 3^d. 



METEOROLOGICAL RETURNS 



for the ten weeks ending on Monday, Oct. 1st, 1888. Specially prepared for Scientific News from official reports. 





Mean Temperature. 



Rainfall. 





Duration of Sunshine. 





Scotland, East 



52-5 degs. 



being 2 '5 degs. 



below average. 



4'oins. 



, being 24 ins. below 



average. 



297 



irs., being 24 hrs. 



below average 



England, N.E. 



54'° » 



II 2 '5 ,, 



11 11 



S'8.. 



,. 05 „ „ 



»» 



*ii 



»i 11 42 :i 



11 



11 



England, East 



57'° .. 



n 2 '7 n 



11 i» 



63 „ 



„ 0-4 „ above 



j» 



£*/ 



11 i> 31 »» 



)! 



ii 



Midlands 



55"3 ». 



>> 3' 2 n 



11 ii 



51 » 



„ 1 6 „ below 



11 



312 



»l n 22 ,, 



11 



11 



England, South 



57 - « ». 



>> 1 '8 <> 



11 11 



5-6 „ 



1. 04 1. !l 



., 3'6 „ „ 



n 



3b » 



II II 19 !» 



!» 



11 



Scotland, West 



S3'5 .. 



,. i'9 51 



11 11 



6-9 „ 



11 



3 ul 



11 11 22 ,, 



IS 



11 



England, N.W. 



54'9 .. 



,. 3'° .. 



ii 11 



69 .. 



„ 12 „ ,, 



)> 



J^b 



11 11 12 ,, 



»l 



11 



England, S.W. 



56-0 ,, 



i) 2'5 ,, 



11 11 



7-2„ 



it 2 2,, ]) 



j» 



3/ 1 

 261 



11 11 4° l> 



11 



11 



Ireland, North 



55i » 





11 11 



77.. 



» 0'2 „ „ 



J» 



ti 11 13 11 



11 



n 



Ireland, South 



55'6 „ 



11 2 "I ,, 



11 11 



6-3.. 



n 1 '8 M >) 



i> 



345 



»l »i 10 u 



above 



11 



The Kingdom... 



55 - 2 .. 



j» 2 '5 >t 



it 11 



62 „ 



)» 1*4 « »» 



»» 



313 



11 »» 22 t) 



below 



11 



