NA TURE 



[May 4, 1905 



The SANITAS ELECTRICAL CO., Ltd. 



Complete 



4-Gell Bath Installation 



By Dr. SCHNEE 

 for application of 

 Sinusoidal, Oalvanic, 

 Faradic, Gal 

 Faradic, and all 

 other currents 



urn- LABOE 



INDUCTION 



COILS FOIi 



KEHEARCH 



WOBK 



a Specifiliti/. 



Also MANUFACTURERS of 



X-RAY and HIGH-FREQUENCY APPARATUS of various patterns 



LIGHT BATHS of all kinds, Cabinet, Reclining, Portable Baths, with 

 three-colour arrangements, with Incandescen' and Arc Lamps, &c., 

 with Arc- Light Projector for simultaneous local treatment. (Combined 

 Patent.) 



NEW PATENT SHENTON-SANITAS X-RAY COMBINATION 

 OPERATING TABLE. 



"TRIPLET" and "DERMO" LAMPS with Carbon and Iron Elec- 

 trodes for "Finsen" 'I'Teatment. 



VIBRATORY AND PNEUMATIC MASSAGE APPARATUS. 

 APPARATUS FOR 3-PHASE SINUSOIDAL AND ALL OTHER 



CURRENTS. 

 NEW PORTABLE CAUTERY TRANSFORMER, with Terminals f..t 



Light, S:c-, taking only = Atitpire^ fr,-.ii. _-oo Volts Continuous Main 



MULTlNEBULIZER. ELECTRO-MAGNETIC AND SWEDISH EX- 

 ERCISE APPARATUS, &c., &e. 

 33 Si. ist,, SOHO SQU/1.FEE:, T^CfUTtOJH, inr. 



REYNOLDS & BRANSON, Ltd. 



Scientific Instrument Makers to the Indian 

 Qovernment and Science and Art Department. 



LABORATORY FURNISHERS AND 

 MANUFACTURING CHEMISTS. 



NEW PHOTOGRAPHIC DARK ROOM LAMP 



THE "RYSTOS" 

 ELECTRIC LAMP 



(No- I) 

 For Standing or Hanging, with Cord and 

 Plug to lit ordinary lamp socket, and 

 Reversing Switch. The insulated switch 

 handle on top will be found safe and well 

 adapted for turning on the current to 

 either ruby or white light, or instantly 

 exchanging the one for the other. The 

 while light is convenient when making 

 bromide prints, transparencies, &c. The 

 ruby glass provided is of special quality, 

 being spectroscopically tested. It gives 

 a soft diffused light, while its semicircular 

 shape secures the illumination of the 

 whole developing table. 



Dimensions, 4 in. x Si in. 

 Price 18s. 6d. 

 (When ordering, please mention voltage.) 



LAMPS FOR GAS ALSO WITH BYE-PASS. 



New Photographic Requisite List on application. 

 14 COMMERCIAL STREET, LEEDS. 



CARL ZEISS, 

 _JENA^ 



BRANCHES- 

 LONDON— 29 Margaret Street, Regent Street, W- 



Berlin. Frankfort o/M. Hatnburg. Vienna. St. Petersburg. 



PalmOS Cameras. 



Fitted with ZEISS LENSES. 



Sizes— 6x9 and 9>;i2 cm., and ^\ in. X4l-in. and 5-in.:^4.in. 

 Also 9X18 cm. for Stereo and Panorama. 



SUITABLE FOR PLATES, PACK FILMS, AND 

 ROLL FILMS. 



Ilhiitralcd C,r/,i/o:,'in\ " Pit," Poit Free cm application. 



THE JUBILEE CATALOGUE 



ISSUED TO MARK THE 



FIFTY YEARS' EXISTENCE OF THE FIRM 



OF 



E. LEYBOLD'S NACHFOLGER, 



eOLOGNE, 



Contains on its more than 900 pages a complete 

 survey of the apparatus used for instruction in 

 Physics, as well as numerous practical instruc- 

 tions and about 3000 illustrations. 



NATURE says: --"The firm of Leybold Nachfolger 

 in Cologne has recently issued a very complete and 

 interesting catalogue of physical apparatus anti 

 fittings sold by them The book starts with a history 

 of the instruments made in Cologne during the last 

 century. In its second section we find an account 

 of the construction and fittings of various chemical 

 and physical institutions. After this follows the cata- 

 logue proper, filling some 800 large pages, profusely 

 illustrated and admirably arranged. The book will be 

 most useful to the teacher." ;No. 1846, Vol. 71.) 



THE CATALOGUE WILL BE FORWARDED TO SCHOOLS 

 AND INSTITUTES ON APPLICATION. 



