i 



A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE 



" To the solid ground 

 Of Nature trusts the mind which builds for aye" — Wordsworth 



No. 478, Vol. 19] THURSDAY, DECEMBER 26, 1878 



[Price Sixpence 



Registered as a Newspaper at the General Post OfBce.] 



[All Rights are Reserved. 



SCIENTIFIC PRESENTS. 



The Youth's ^licroscope, in Case, complete 

 The Boy's Own Microscope 



£1 Is,, £1 5s., £1 10s., £1 15s., and £2 10s. 

 8s. 6d. 12s. 6(L, 15s. 



Browning's Illustrated List of Scientific Instruments adapted for Presents or School Prizes, containing 

 Stereoscopes, Graphoscopes, Microscopes, Opera Glasses, Barometers, Pocket Lenses, Spectroscopes, Telescopes, 

 &c., &c., at prices varj-ing from ^s. to £\o^ with many Illustrations, sent Post Free. 



JOHN BROWNING, 



OPTICAL AND PHYSICAL INSTRU.MENT MAKER TO H.M.' GOVERNMENT, THE ROYAL SOCIETY, THE 



ROYAL OBSERVATORY OF GREENWICH, AND THE OBSERVATORIES OF KEW, CAMBRIDGE, 



MELBOURNE, THE U.S. NAVAL OBSERVATORY, CAMBRIDGE AND HARVARD 



UNIVERSITIES, HOBOKEN COLLEGE, &c., &c. 



6 3, STRAND, W.C., LONDON. 



FACTORY— SOUTHAMPTON STREET and EXETER STREET, LONDON. 



PRIZE MEDAL, 1862. ESTABLISHED 100 YEARS. 



Microscopes, Spectroscopes, Opera Glasses, &>c., &-'c. 



