

A WEKKT.Y ILLUSTRATED JOURNAL OF SCIENCE. 



THE "NEWTONIAN" 



UNIVERSAL SCIENCE LANTERN 



Complete for Slides, Microscopic Objects, and Spectra. 



Price £18. 



For Lecturers on Light, Colour, and Colour Pliotography, &c. 



S ole Mak ers: NEWT ON & CO .. 3 FLEET STREET, LONDON . 



X-RAY COMPLETE SETS. 



■:t a. Including 3-indi Coil, our own make, Bat 

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, Larger Focus Tube 

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£13 

 £23 10 



BARIUM-PLATINO-CYANIDE SCREENS. 



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5000 OHMS RESISTANCE. 

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PRICE 



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W^rlte for CATALOGUES. 



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