Microscopes and Accessories 
Microtomes and Accessories 
Photomicrographic Apparatus 
Projection Apparatus 
Blood Counting Appliances 
Aplanatic Pocket Lenses 
For Field 
Prism Binoculars ang" Theatre 
ETC. 
NATURE 
[SEPTEMBER 4, I913 
THE Gs 
“LORD BURY” 
Telescope. 
Supplied in large numbers 
for use by Travellers and 
Sportsmen. 
Fitted with pancratie tube 
varying the power from 25 
to 35 diameters. 
Size closed, 10”; IMlastrated 
extended, 31”. PRS a! 
. ree. 
Will make out wild fowl at The 
16 miles, will discern a > 
flagstaff at 22 miles, and - Lord Bury 
name of lightship at 
eae Telescope, 
in bronzed brass, 
POST FREE 
and fitted in Leather 
on Sling Case (weight of 
receipt of telescope 2 Ib. 3 02,). 
Remit- £4 4 0) 
tance. 
Ditto in bronzed light metab 
(weight of telescope 1 Ib. 8 0z.). 
£5 15 O 
Awarded Grand Prix at the Exhibition 
of the 
International Medical Congress. 
18 BLOOMSBURY SQUARE, W.C. 
(A few doors from the British 
Opticians and Scientific Instrument ‘aribeat 
to the British & Foreign Govts.; 
Museum). 
LONDON. 
Established 1852, 
WATSON’S “SUNICA” PRISM BINOCULARS 
The embodiment of DAINTINESS and PERFECTION. 
To motor, walk, cycle, boat, climb, or make holiday without a Prism Glass means losing a cousidenghie’ 
amount of enjoyment. A Prism’ Glass reveals hosts of sights that would otherwise be invisible, and adds a 
new charm to everything ohserved. 
Watson’s “SUNICA” Prism Glass is the right magnification—the compact size—and is the 
always dependable companion that is so much desired. IT IS BRITISH- MADE ‘THROUGHOUT AT 
BARNET, HERTS, and that means sound workmanship and quality. i! 
It is waterproof and can be immersed in water, | It has wonderful steregsco ic effect. 
It will withstand rough usage. A very large angle of field of view—48’—enables 
It is covered with vulcanite of morocco leather a large surface to be embraced. 
pattern. The optical quality cannot be surpassed. 
Magnification, 6 diameters. Diameter of Objectives, 0':90in. Height,42in. Weight, 22 oz, 
PRICE (post free), with neck sling, and in best solid leather sling case ... £6 O O 
W. WATSON & SONS, Ltd. (7°9337""), 313 High Holborn, London, W.C. 
Optical Works :-HIGH BARNET, HERTS. 
Depots {2EASY ROW, BIRMINGHA 
{7s SWANSTON ST. MELBOURNE, AUSTRALIA. 
(16 FORREST ROAD, EDINBUR 
Branches | 184 GREAT PORTLAND STREST™ “LONDON, W.C. 
F; olay} View. 
SOLE AGENTS for Great Britain and Ireland (except London)— 
STANDLEY BELCHER & MASON, Ltd., 
Church Street, BIRMINGHAM. 
Printed by RicHarp Cray & Sons, Limirep, at Brunswick Street, Stamford Street, S.E., and published by MACMILLAN AND Co., Limitmp, at 
St. Martin's Street, London, W.C., and THe Macmitvan Co., 66 Fifth Avenue, New York.—Txuurspay, September a IOI. 
Back View. 
SPENCER DISSECTING MICROSCOPE, No. 86a. 
Plate Glass Ste age, mirror to reflect light to object _ Hollow Block 
for Dissecting Instruments and Lenses, | Witn 9x Doublet, 10/6 
Price List on application. 
406 STRAND & 457 WEST STRAND, © 
J. H. STEWARD, um, 
* 
a a an 
piiciemrecenieenae 
