ceclv1 oe Cee [AuGusT 22, 1QI2 
THE 
-f EIT Z “LORD BURY” 
- NEW APPARATUS FOR Telescope. 
PHOTOMICROGRAPHY §) recctss* rscsueis nc? 
For use in Horizontal or Vertical Positions. Fitted with pancratie tube 
Possessing many New and Important Features. varying the power from 25 IMustrated 
to 35 diameters. Catalogue 
LARGE EPIDIASCOPE 9) ssc: ae 
extended, 31”. SS 
A new and convenient apparatus for the Direct Will make out wild fowl at The j 
Projection in Natural Colours of Microscopical 16 miles, will discern _a “Lord Bury” ; 
Slides, Opaque Objects (such as Book flagstaff at 22 miles, and Tel , 
Illustrations, Photo Prints, Diagrams, Skin name of lightship at elescope, } 
Diseases, &c.), Lantern Slides, and Spectra. 10 miles. in bronzed brass, 
and fitted in Leather 
LEITZ-EDINGER POST FREB Sling Case (weight of 
= telescope 2 lb. 3 0z.), 
DRAWING APPARATUS } |----°.. £440 
Remit- 
For the Direct Projection of Microscopical Pernel Ditto in bronzed light meta 
Preparations. Ensures greater accuracy in (weight of telescope 1 lb. 8 0z.), 
drawing. 
£5 15 O 
J. H. STEWARD, 
Optician & Scientific Instrument Maker 
to the British G Foreign Governments. 
406 STRAND & 457 WEST STRAND, 
LONDON. 
Established 1852. 
MICROSCOPES and MICROSCOPIC APPARATUS 
for all requirements, PRISM FIELD and 
OPERA GLASSES, &c. 
Catalogues and Booklets post free. 
18 BLOOMSBURY SQUARE, W.C. 
(A few doors from the British Musenm.) 
PHOTO-MIGRO & MICRO-PROJECTION APPARATUS. 
NOW READY. NEW EDITION OF CATALOGUE 2D, giving particulars of the above. It describes 
Horizontal Cameras—large and small. Vertical Cameras—three patterns. 
Combined Vertical and Horizontal Cameras. Pocket Camera to fit a microscope tube. 
INSTANTANEOUS REFLEX CAMERA, 
the one that pond-life workers have sighed for and not been able to obtain before. 
WATSON CONRADY CONDENSER SYSTEM, and everything of the latest and best for 
, : . PHOTO-MICROGRAPHY, 
including Light Filters, Condensers, Illuminants (Acetylene, Electric, Gas, Paraffin, &c.). 
NEW MICRO-PROJECTION APPARATUS AND COMBINATION cons FOR MICRO, OPAQUE, AND SCIENCE 
SUBJECTS, ALSO LANTERN SLIDE 
For full particulars of all the above, send for Catalogue 2D, aa free on request from 
W. WATSON & SONS, Ltd. (Estd. 1837), 313 High Holborn, London, W.C. 
Branch: 16 Forrest Road, EAibEah. ; D ts {2 Easy Row, Birmingham. 3 
Works: Barnet, Herts. epotS | 7g Swanston Street, Melbourne, Australia. 
CHEMICAL & PHYSICAL APPARATUS & GHEMICALS 
Pure Acids specially made for Analysis. 
STANDLEY BELCHER & MASON, Ltd., 
61 CHURCH STREET, BIRMINGHAM. 
“> 4). o ° . 
y 31 Qy Catalogues free upon Application. 
rp Cray & Sons, LimiTep. at Brunswick Street, Stamford Street, S.E., and published by MACMILLAN AND Co., LimirgD, at 
St. Martin's Street, London, W.C,, and 1HE MacmiILtan Co.. 66 Fifth Avenue, New York. —THurspay, August 22, 1912. 
Printea by Ric 
