J Cf T? '-f- 



A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 



" To the solid ground 

 uf Nature trusts the mind which builds for aye." — Wordsworth. 



MAY 31 191 



COMPLETE SALE (previous to 

 stocktaking) of Shop Soiled 



LANTERNS, MICROSCOPES, 

 POLARISOOPES, 



Scientific & Philosophical 



AP PARATU S. 



Complete Catalogue in press, or stock 

 can be seen at any time. 



NEWTON <& CO., 



72 Wigmore Street, London, W. 



The Handle 

 London Model. 



This is a new model, in which 

 the limb is made so as to form 

 a convenient handle for lifting 

 the microscope. Otherwise it 

 is similar to the ordinary 

 London model. 



»No. 1325. Stand, in ease, 

 £3 5 6 

 No. 1329. Stand, in ease, 

 with spiral focussing 

 substage 4 

 No. 364A. Eye- 

 piece 5 O 



No. 801. Irds 

 Object Glass 12 O 

 No. 803. Jth 

 Object Glass 1 10 O 



Full Particulars of 



R. & J. BECK, 

 68 Cornhill, E.C. 



REYNOLDS & BRANSON, Ltd. 



1 RYSTOS " MICROSCOPE 

 PLATFORM 



Gold Medals:— 

 London. 1908. 



Allahabad. 1911. 

 Grand Prix. Turin, 1911. 

 2 Medals, York, 1912. 



For use with the Stroud & Rendell Science Lanterns. This platform 

 is adjustable, so that any ordinary microscope (the draw tube being 

 removed) can be used for projection work. The platform can be raised 

 or lowered in order that the optical centre of the microscope may 



coincide with that of the lantern _ ... £17 6 



Microscope as figured, with eyepiece and r" and .V objectives... 7 5 

 '" objective for projection purposes ... ... ... ... ... 10 



'Catalogue of Optical Lanterns and descriptive circular of Accessory 



Apparatus for the S. &• R. Lanterns, post free. 

 14 COMMERCIAL, STREET, LEEDS. 



Negretti & Zambra 

 make the "Campbell- 

 Stokes" Sunshine 

 Recorder (adopted as 

 the "standard") in 

 3 models : — 

 (1) the "Universal" — 

 illustrated ; 



(2) adjustable for 

 any 20° of 

 latitude ; 



(3) for one fixed 

 latitude. 



NEGRETTI 6- ZAMBRA 



Scientific Instrument Makers, 



Holborn Viaduct, London, 

 City Branch : 45 Cornhill, 

 West End 



122 Regent St., 



E.C. 



E.C. 



W. 



Write for 

 list of . . 

 Sunshine 



