SCIENCE- G OS SIP. 



Revolutionising Pbotograpbp. 



SPECTRUM 



LIGHT FILTERS. 



Write for Booklet "Orthochromatic Photography" 

 (simplified), by James Cadett. Gratis. Post Free. 



CADETT&NEALL,Ltd. 

 ASHTEAD, SURREY. 



Photographic Dry Plate and Paper Manufacturers. 



Illustrated 

 Catalogue. 



Make Photography a 



Pleasure. 



"AMBER "and "RUBY" 



Cameras for Hand or Stand. 



Price from £'£ 3s. 6d. 

 Time and Instantaneous 



Shutter, from 12s. 6d. 

 Standard Pattern, 



from 18s. 6d. 



upiif Prospectus and 



iSfrfll Entry Form for 

 Ip*! New £105 Prizi 



w £105 Prize 

 Competition 

 post free. 



The THORNTON-PICKARD 



Manufacturing: Co., Ltd., 

 ALTRINCHAM. 



HUGHES scientific OPTICAL LANTERNS 

 and CINEMATOGRAPHS. 



Hughes' Marvellous 



PAMPHENGOS 



Gives brilliant 12-ft. pictures like 



Limelight. 

 The £4 4s. reduced to £3 10s. 



ELECTrtIC LIGHT 



SCIENCE LANTERNS 



An Innovation. Perfect. 



OXY-HYDROCEN 



MICROSCOPES 



Grandly Illustrated Catalog! 



HUGHES' LA PETITE 

 SNAP-SHOT CINEMATOGRAPH- 

 CAMERA, 



Printer, Projector, Reverser, price 

 £6 10s., reduced to £5 10s. 



180 choice Engravings, 10d- ; Smaller ditto, 5d. 

 All Post Free. 



THE UNIVERSAL 



4-wick Lantern 



With 4-inch Condensers, 18s. 6d. 



Grandly Illustrated Cinematograph List, Sd. 



IUCHES' PH0T0-R0T0SC0PE CINEMATOGRAPH, £7 7s. t^&^^Zt^Z^. 



K®^ FOR SALE, BARGAINS.— A fine 7 | EQUATORIAL ASTRONOMICAL TELESCOPE, by Cooke, with Battery of Eyepieces, cost 

 over £600; 3 | Wray, 3} Wray, 3-inch Equatorial Steward. An 8-inch Newtonian Reflector, 4*-inch Lancaster, and others, 

 from £7 each ; cost double. Also a fine BINOCULAR MICROSCOPE by Beck, cost £120 ; and several others which have been at 

 times allowed for as part payment. To be sold bargains. List Free. Can be had on the Hire-purchase system. 



X-RAY INDUCTION COILS, 5-, 6 ', and 8-inch Sparks. Bargains. Quite new. Also Batteries. List Free. 

 HUOHES' Ri.lnll ENLARftiMft I ANTFRMQ An innovation, rectangular or square condensers ; full marginal 

 ""r"r DIUUU CnLftltUINU LHn I EKNd. definition, perfect illumination ; portable, reliable, rapid, quick, 

 artistic Enlargements. Before purchasing, see this high-class technical apparatus, which is scientifically constructed for results. Price List, '4d. 



_ 300 Lecture Sets of Science Subjects and Travels, &c. 60,000 Slides ; Lht,8d. Post Free. 50 beautifully coloured 



Slides loaned for 3s. By Subscription for the year, 450 10s. 6d. ; 1,000 21s. Hire List, '4\<l. 



"TOT. C H1ZT€3KEIE2S 9 Specialist in Optical Projection. 



Established over 30 years. 



Brewster House, 82 Mortimer Road, Kingsland, LONDON, N. 



