J U V 



^J- 



A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE 



" To the solid ground 

 'if Nature trusts the mind which builds for aye.'" — Wordsworth. 



REYNOLDS &, BRANSON, Ltd. 



GRAND PRIX AWARD, TURIN. 

 SOLE AUTHORISED MAKERS OF 



STROUD & RENDELL SCIENCE LANTERNS. 



fhe " University " Lan- 

 tern, with Russian iron 

 body, sliding baseboard, two 

 superior objectives, plane 

 silvered mirror "A," which 

 is moved by a knob causing 

 the rays to be reflected 

 upwards for the projection of 

 objects in a horizontal plane, 

 condensers 4^ in. uiam., prism 

 with silvered back which can 

 be used at " C," or as an 

 } erecting prism in mount " D," 

 lime-light burner, slide carrier. 

 Price complete in travelling 

 case, without reversible adjust- 

 able stage " B," £10 7 6 



cenix" Arc Lamp H 15 



lie idjustable stage " R" for supporting apparatus, extra 7 6 



College " Lantern, without adjustable stage, with 



light burner complete 8 2 6 



th "Phoenix" arc lamp 9 10 



for spectrum with support, for either lantern ... 1 7 6 

 2 



Catalogues post free. 



Optica] Lanterns and Accessory Apparatus New Edition). 



Abridged List of Chemical Apparatus and Chemicals, 44 pages. 



Mechanical Models for teaching Building and Machine 



14 COMMKRCIAi, STREET, LEEDS. 



John J. Griffin & Sons, L 



KINGSWAY, LONDON, W.C. 



Scientific Instrument makers. 



& 



l w <C. V. Bovs's Patent.) ^to- A 



For Studying Liquid Films. i 



Marvellous 

 *olour- 



•,ombin;t(ions 

 >f Infinite 

 rlety. 



'4> 



Unique 



Effects 



of 



Wonderful 



Beauty. 



The Latest 



RECORDING 

 RAIN GAUGE 



—The 

 'FERNLEY' 



Price 25/- lt^&£,™$ 



Inducing 2 Battles of special Soap Solution and Full Instruction!. 



NEGRETTI & Z AM BRA 



38 Holborn Viaduct, London, E.C. 

 City Branch : 45 Cornhill, E.C. 

 West End : 122 Regent St., W. 



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 descriptioe 

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