SCIENCE- GOSSIP. 



She 



Animated 

 Photography 



A combined Cinematograph and Snap- 

 shot Camera, Printer, Projector, 

 Reverser and Enlarger, fitted with two 

 SPECIAL VOIGTLANDER LENSES. 



H[c.HLV Finished in Polished Hboxy. 



PRICE £6 6s. 



Size 3 X Si X 9i 



Amateurs. 



" PATENTED. 



THE BIOKAM PROJECTOR, 



For Projecting, Reuersing and Enlarging, fitted witli 

 One VOICTLAf^DER Wide ;\ngle LEfiS 

 and adapted to screw into Leris Flange 

 of /\HY EX1STI[<C LANTERN. 



FinisIiLcl n Po ished M ih ^ in\ bl/L 2 x 3 X =?.. Weight l6 oz 



PRICE £4 4s. 



Positive and Negative Films, perforated (length 25 ft.). 

 Weight 2.\ ll3s. price 3s. 6d. each. 



Biokam Film Subjects (length 25 ft.) price 10s. each. 

 For Sale by all Opticians ai\d Photograp)\ic Dealers. Send for Handsome Illustrated Catalogue. 



THE WARWICK TRADING COMPANY, LIMITED, 



4 & 5, Warwick Court, High Hoiborn, London, W.C. 



Special Series of 



Students' Celcscopes, 



From 4i in. to z\ in. apertures, with first quality Oljiject 

 Glasses and Fiitings, at moderate prices. 



MAGIC LANTERNS. 



No Smell. No Smoke. No Broken Glasses. 

 Grand . . ^^WS. The Marvellous . . 

 Results. ^T«^^f . • Pamphengos. 



I II ustrated Catalogue ui Telescopes, .Microscopes. X-c.'ic.. for stamp 



Hishest Class Micro-Objectives, also made 

 on premises, at Closest Prices. 



W. WRAY/ 



ORTH HILL, 



HICHCATE. 



London, N. 



MARVELLOL'S PAMPHENGOS.— The iniest Oil-li,i;hted Lantern 

 extant: equals Limeliglit ; stood ttie test against all imitations. 

 Over 3.000 sold— supplied to tlie Government and School Boards. 

 Particulars free. 



GILCHRIST SCIENCE LANTERN.— O.\yhvdrogen .Microscopes, 

 Polariscopes, cSc. The Cinematograph lor Living Pictures. 



Mr. Hughes's Grandly Illustrated Catalogue, over i6q Original 

 Wood Eni*ravings. Price. 6d. ; Postage. 3d. Cheapest. Best, and 

 Jtost Reliable Outfits in the ivorld. 



THE ART OF PROJECTION, AND COMPLETE MAGIC LANTERN 

 .MANUAL, by an Expert. Over 100 fine Illustrations, ^vith priceless 

 wrinkles. How to use Oil. Limelight, Dissolvin.g. Electric, I\Iicro- 

 scopic and Polarising Lanterns. Slide Making. Painting, &c. Price, 

 bound in cloth, 3s. 6d ; Postage, 5d. 



AV. C. HUGHES, Patentee and Specialist, 



BREWSTER HOl'SE, MORTIMER ROAD, KINGSLAND, LONDON, N. 



SeCOXD-H.\ND L.VXTEKNS .\ND SlIDKS — B.\RG.\i.\"S. 



ILI.VSTRATED LISTS FREE. 

 50 Beautifully Coloured Slides on Loan for 3s. 



