SCIENCE- G OS SIP. 



Revolutionising Pbotograpbp, 



C-HLDETT 



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. 



ICKARD 



CAMERAS 



AND 



SHUTTERS 



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. 



Prospectus and 



Entry Form for 



New £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. 



THE 



SCIENCE LANTERN 



An Innovation. Perfect. 



OXY-HYDROCEN 



MICROSCOPES 



THE UNIVERSAL SNAP-SHOT CINEMATOGRAPH- 



A-wirlc LnntArn camera, 



1 VWIufft balllCIII Printer, Projector, Reverser, price 

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



Grandly Illustrated Cinematograph List, 6d. 



Tech- 

 mmimum. 



Grandly Illustrated Catalogue, 180 choice Engravings, lOd ; Smaller ditto, 5d 



All Post Free. 



HUGHES' PH0T0-R0T0SC0PE CINEMATOGRAPH, £7 7s. JfflH&3ftSSS_ 



®^° F0R fA?T E ', BARGAINS.— A fine 7! EQUATORIAL ASTRONOMICAL TELESCOPE, by Cooke, with Battery of Eyepieces, cost 

 oyer *,60U ; also a fine 4-inch latest, by Cooke. An 8-inch Newtonian Reflector, £17 10s. ; a si-inch ditto £11 15s. Several 

 4i-inch Lancaster ; several 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, 5-, 6-, and 8-inch Sparks. Bargains. Quite new. Also Batteries. List Free. 



HUGHES' BIJOU ENLARGING LANTERNS An innovati ° n > rectangular or square condensers ; full marginal 



. "!, , " ,w « v tllAJinmnU knn [ CniPia. definition, perfect illumination ; portable, reliable, rapid, quick, 



artistic Lnlargements. Before purchasing, see this high-class technical apparatus,which is scientifically constructed for results. Price List, 2d. 

 r.,. .BOO Lecture Sets of Science Subjects and Travels, &c. 60,000 Slides ; List, 8d. Post Free. 50 beautifully coloured 

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



^KT. c 



HXJGrllUS, Specialist in Optical Projection. 



(Established over 30 years.) 



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



