376 



SCIENTIFIC NEWS. 



[Oct. 5, i£ 



SALES. 



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Astronomical Telescope, 9 in. object glass and 4 powers, late 

 the property of a gentleman (deceased). — Apply, Jas. Barnes, 

 Brunswick New Road, Norwich. 



To Microscopists.— First-class unmounted objects, Rock and 

 coral sections, 3s. 3d,, series of six varieties ; 9 doubly stained 

 botanical sections, 18 miscellaneous, is. id. each series. Full in- 

 structions. All mounting requisites. Quality guaranteed. List, 

 stamp. — Mason, 24, Park Road, Clapham, S.W. 



8 in. Achromatic Astronomical Telescope, from the obser- 

 vatory of the late John Watson, Esq., F.R.A.S., for sale, a bargain, 

 comprising 8 in. object glass by Wray (cost ^140), six eye-pieces 

 and spectroscope by Browning, metal stand, and driving clock, and 

 all fittings, cost about ^700, price ^150. — H. L. Fox, 121, Bishops- 

 gate Street Within, London. 



The Rev. T. W. Webb's 9$ in. silvered glass Reflector. — For 

 sale, the reflector with which he made the observations referred to 

 in his book " Celestial Objects for Common Telescopes." The 

 mounting is a Berthon equatorial. — Full particulars on application 

 to W. J. L., 1, Wellington Crescent, Ramsgate. 



Amateur Mechanics supplied with Lathes, Drilling, Planing 

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

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

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

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Amalgamating Brushes, Scratch-brushes, Polishing Sand, 

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Do your own Electro Plating and Gilding. System inex- 

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Watts' Gas Engines, all sizes, from ij 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 for 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., Belshaw Street, Homerton, E. 



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

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



mahogany stand. Exchange for lantern slides, chromatropes, 

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Student's Microscope, 2 achromatic powers, in mahogany 

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SELECTED BOOKS. 



A Text-Book on Steam and Steam Engines. For the Use 

 of Students Preparing for Competitive Examinations. 

 By A. Jamieson, C.E., F.R.S.E., Prof, of Engineering, 

 Glasgow Technical College. With 200 illustrations 

 and four folding plates. Third Edition. London : 

 Charles Griffin 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 of 

 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. Price 7s. 6d. each. London : Ward, 

 Lock and Co. 



A Dictionary of Technical and Trade Terms of Archi- 

 tectural Design and Building Construction. Being 

 practical descriptions, with technical details of the 

 different departments connected with the various 

 subjects : with derivations of, and French and Ger- 

 man equivalents. Price 5s. London : Ward, Lock 

 and Co. 



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

 M.D., LL.D.,F.R.S., Professor of Physiology in the 

 University of Cambridge, etc. With illustrations. 

 Fifth and thoroughly revised edition. In three 

 parts. Part I. comprising Book- 1., Blood — The 

 Tissues of Movement — The Vascular Mechanism. 

 Price 1 os. 6d. London : Macmillan and Co. 



NOTICES. 



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



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



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The Back Numbers of Scientific News can be obtained 

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 by post 3|d. 



METEOROLOGICAL RETURNS 



for the ten weeks ending on Monday, Sept. 24th, 1888. Specially prepared for Scientific News from official reports. 





Mean Temperature. 



Rainfall. 



Duration of Sunshine, 



Scotland, East 



537 degs. 



being 2*1 degs. below average. 



49 ms. 



, being 24 ins. below average. 



327 hrs.j being o hrs. 



average 



England, N.E. 



55'° .. 



j> 2 2 ,, ,, ,, 



6'5.. 



„ 0'2 „ above 



J» 



382 „ „ 19 ., below 



)» 



England, East 



57'4 >, 



2'6 



66 „ 



.. 09 „ „ 



)» 



3 2 6 » „ 36 ,, „ 



>> 



Midlands 



56'3 .. 



»» o ,| ,, ,. 



59.. 



„ 07 „ below 



»> 



3*3 )» >» 24, ,, ,, 



>> 



England, South 



SB-4 „ 



»> * 9 >> >. i) 



57.. 



., 00 „ 





346 S » „ 27 „ „ 





Scotland, West 



S4'5 ., 



.. * '4 ji )? j> 



77,. 



„ 2-4 „ below 





3°7 » >i 3° ,» » 





England, N.W. 



55'9 » 



.. 2 7 ,, ,, ,, 



7'6 „ 



,. 0-3 „ „ 





318 „ ,, 10 ,, ,, 





England, S.W. 



56-5 >. 



>> 2 ° >j jj -j> 



7'5.. 



» 1 '4 .. » 





38° j» j» 34 » )> 





Ireland, North 



55 8 „ 



»» 2 '4 jj >> t) 



82 „ 



„ 0'4 „ above 









Ireland, South 



56-2 „ 



., 2 2 pi ,, ,, 



6-9 11 



„ II „ below 



J) 



362 ,, ,, 24 „ above 



13 



TheKingdom... 



'= 



2 l » >» j» 



66 „ 



°7 .. 



It 



324 „ „ 16 „ below 



>} 



