SCIENCE- G OSSIP. 



Reoolutionising Pbotograpbp, 



SPECTRUM 



LIGHT FILTERS. 



THE 



HORNTON 



Write for Booklet "Orthochromalic Photography" 

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



Illustrated 

 Catalogue. 



CADETT & NEALL, Ltd. 

 ASHTEAD, SURREY. 



Photographic Dry Plate and Paper Manufacturers. 



ICKARD 



CAMERAS 



AND 



SHUTTERS 



Make Photography a 



Pleasure. 



"AMBER "and "RUBY" 



Cameras for Hand or Stand. 



Price from £'A 3s. 6d. 

 Time and Instantaneous 



Shutter, from 12s. 6d. 

 Standard Pattern, 



from 18s. 6d. 



Prospectus and 



Entry Form for 



New £105 Prize 



Competition 



post free. 



The THORNTON-PICKARD 



Manufacturing Co., Ltd., 

 ALTRINCKAIVI. 



HUGHES' scientific OPTICAL LANTERNS 

 and CINEMATOGRAPHS. _ 



Hughes' Marvellous \ 



PAMPHENGOS 



Grandly Illustrated Catalogue 



Gives brilliant 12-ft. pictun s like 



Limelight. 

 The £4 4s. reduced to £3 10s. 



THE 



SCIENCE LANTERN 



An Innovation. Perfect. 



OXY-HYDROCEN 



MICROSCOPES 



W — "" CJ HUGHES' LA PETITE 



THE UNIVERSAL SNAP-SHOT CINEMATOGRAPH- 



A-wirk Lan+Ai'ii camera, 



**-V¥I*j-I% LcUHGIM punter, Projector, Reverser, price 

 With 4-inch Condensers, 18s. 6d. £6 10s., reduced to £5 10s. 



o choice Engravings, lOd : Smaller ditto, 3d. Grandly Illustrated Cinematograph List, Gd. 



All Post Free. 



HUGHES' PH0T0-R0T0SC0PE CINEMATOGRAPH, £7 7s. AI! ^,n m H *J*'«*™*.. Te h 



^^ •>••>■ wmiiiii iay (Mi ■ «■ meal Flickering reduced to a minimum. 



F 9 R f R / nr7^'. BA, l GA,NS CT A fi "\ 7i ^ U , AT0RIAL ASTRONOMICAL TELESCOPE, by Cooke, with Battery of Eyepieces, cost 

 oyer £600, also a tine 4 -mch ales', by Cooke. An 8-inch Newtonian Reflector, £17 10s. ; a si-inch ditto, £11 15s. Several 

 4 f inch Lancaster ; ceveral smaller. Also a fine BINOCULAR MICROSCOPE by Beck, cost £120 ; a ditto by Negretti & Zambra, 

 and several others. To be sold bargains. List Free. Can be had on the Hire-purchase system. 



X-RAY INDUCTION COILS, S-, 6-, and 8-inch Sparks. Eargains. Quite new. Also Batteries. List Free. 

 HUGHES' BIJOU ENLARGING LANTERNS ^innovation, .ectangular or square condensers ; full marginal 

 ,- ■ w l / P r \ ■ !• V. "~, ' CnWO « definition, perfect illumination ; portable, reliable, rapid, quick, 



arti-ucEnlaigements. Before pur hasing, see this high-cla^s technical apparatus.which is scientifically constructed for results. Price List, Zd. 



cim 300 L ; e ? t H I 1 e S „ et ? ° f Science Subjects and Travels, &C. 60,000 Slides ; L'st, 8d. Post Free. 50 beautifully coloured 

 blides loaned for 3s. By Subscnpion for the jear, 450 10s. 6d. ; 1,030 21s. Hire List, ■■id. 



"VK7". C HUG-IX1E:S 9 Specialist in Optical Projection. 



(Established over 30 years.) 



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



