Advertisements. 
v 
DALLMEYER’S 
PORTABLE TELESCOPES. 
For Power. Durability, and Compactness, far excel any Binocular 
made. The No. 2 size, 
magnifying 17 diameters, 
measures only 6J in. long 
by 1J in. diameter. Price, 
including case, £8 5s. 
Larger sizes in stock up 
to 50 diameters. 
O A LLM EY E R’ S 
PHOTOGRAPHIC LENSES & CAMERAS for Travellers. 
Send for Illustrated Catalogue. 
CAMERAS BUILT TO SUIT INDIVIDUAL 
REQUIREMENTS. 
! TELEPHOTOGRAPHIC LENSES 
and ATTACHMENTS. 
Indispensable for Mountain Work. 
! Invaluable to Naturalists. 
Any good lens working at an intensity of not less than F/8 can be 
I converted into a Telephoto Lens without impairing it for its ordinary use. 
ESTIMATES AND ADVICE FREE. 
J. H. D ALL MEYER, LTD., 25, NEWMAN ST., LONDON, W. 1 
' >• >.f^BMllllTilinillll 111 mm&mmMHmmm 11BP 
[To face last p. of Index. 
