Ne WW EE KY; 
ILLUSTRATED jou RN 
“© To the solid growund: 
Of Nature trusts the mind which builds for aye.” 
ORS CUEING: 
— WORDSWORTH. 
No. 1551, VOL. 60] 
THURSDAY, JULY 20, 1899. 
[PRICE SIXPENCE. 
Registered as a Newspaper at the General Post Office.] 
NEWTON'S NEW APLANATIC “POCKET MAGNIFIER. 
ever made. 
high power, brilliant definition, long 
The Fig. shows actual size of No. 2. 
Mounted in Aluminium. 
Perhaps the most perfect Pocket Lens 
Large flat field, per- 
fectly achromatic 
working distance. 
No. 1.— 7 diams 20/- 
No. 2.— x 12 Be 90/- 
No. 3.—X 24 45 Bop : oes 22/6 
Mounted in Brass. 
No. 2.—x 12 diams. A a 5 13/6 
No. 3.— 24 21/- 
Our own Make throughout. 
CODDINGTON LENS. with Doublet, in Tortoiseshell Case, 10s. 6d. 
POCKET MICROSCOPE, with forceps for holding object, in 
Case, po 
Tllustrated Catalogue of Mic apes, &c., on application. 
NEw Ton & CO., 
OPTICIANS to THE QUEEN and THE GOVERNMENT, 
3 FLEET STREET, LONDON. 
NEW 
DOUBLE-SURFACE CONDENSER 
(CRIBB’S PATENT). 
Large Condensing Surfaces. 
Small size of Condenser. Small weight. 
_ Great Efficiency. 
EQUAL TO A LIEBIG CONDENSER FIVE 
TIMES ITS SIZE. 
SOLE MAKERS of the Metal Condensers : 
JOHN J. GRIFFIN & SONS, EC 
20-26 SARDINIA STREET, LONDON, W.-C. 
cae AGRE are Reserved. 
é Victoria” Photo Outhisl 
_ From £1 1s, to £10 10s. 
HIGH 
GRADE 
} CAMERAS 
AT 
POPULAR 
PRICES. 
CATALOGUE 
BACKGROUNDS ON APPLIGATIN. 
JAMES raneA SONS & C0.. Lo, 
VICTORIA BRIDGE, MANCHESTER. 
NEGRETTI & ZAMBRA’S 
BINOCULARS AND TELESCOPES. 
Makers of the “OFFICER OF THE W. Hepes § TELESCOPE, 
in use on all the vessels of H.M. Navy 
Nickel-plated, covered with Brown 
Leather. 
PRICE ... 
£2 10s. 
As supplied: by Nee Rey & ZAMBRA to the War Office 
5 th, when closed, rr incre Combining high power and portability. 
“NEGRETTI & ZAMBRA, 
SCIENTIFIC INSTRUMENT MAKERS to the QUEEN, 
38 HOLBORN VIADUCT, E.C. 
Branches: 45 CORNHILL; 122’ REGENT STREET. 
