NA TURE 



[June i, 1905 



ELECTROLYTIC CONDENSERS 



100 mf. 



The NEW RESONANCE APPARATUS 



IS ZSrO-W ON IwTIEW, 



Or Illiislrated Descriptive Pamphlet may be had on application. 



ISENTHAL & CO., 85 Mortimer St., London, W. 



Contractors to the A^imirally. War, Injia, >!-• Cahnia: O pio:s. c-. , 



THE 



WOODHOUSE 

 INCLINED PLANE. 



Price 2S/- 



TOWNSON & MERCER, 



34 CAMOMILE STREET, E.C. 



C. E. MULLER, ORME & CO., 



CONTRACTORS TO HIS MAJESTY'S GOVERNMENT, LTD. 



148 HIGH HOLBORN, LONDON, \V.C. 



MANUFACTURERS OF APPARATUS FOR TEACHING 



CHEMISTRY, PHYSICS, MECHANICS. 

 HYDROSTATICS, &c. 



DEALERS IN PURE AND COMMERCIAL CHEMICALS. STUDENTS' SETS OE APPARATUS. 



LISTS :— Chemical Apparatus— Chemicals— Balances— Assay- Thermometers— Electrical Apparatus— Focus Tubes, 

 X-Ray, and Wireless Telegraphy Apparatus— or SPECIAL WHOLESALE (for Quantities)— free on application. 



THE LONDON STEREOSCOPIC COOlPflNY'S 



LATEST INTRODUCTION 



Cbc "Jlrtlst" Rcfkx Camera 



For Day-Light Loading Flat Films or Plates. 



The Ideal Camera for Photographing Figure Studies, Animals, Natural History 



Subjects, Architecture, Landscapes, &c. 



The picture can be viewed the full size and focussed right up to the moment 



of exposure. 



Write for Fully lllu.strated Booklet (N) Free from 



106 & 108 REGENT ST., W., or 54 CHEAPSIDE. 



