Among the leading instruments we may mention:-

[Illustration: MR. KEARTON’S FAVOURITE CAMERA.]

=THE PARALLEL BELLOWS= Camera, with Stigmatic Lens and Silent

Shutter, as used by Messrs. R. and C. KEARTON and many other

eminent naturalists.

=THE NATURALISTS’ CAMERA.=--The only successful Telephoto Camera

for Nature work. New Model, with full-sized finder, in

preparation.

=THE PACKARD-IDEAL= Shutters.--The best Time shutter on the market.

=THE ADON.=--An excellent little Telephoto lens for Nests, etc.,

in inaccessible places.

=RAPID TELEPHOTO= Lenses for moving objects.

=THE STIGMATIC LENSES= for all-round work.

=PATENT GROUP LENSES=, Series D. These are invaluable for very rapid

exposures of distant animals or birds. They work at F/6, and on

small plates give crisper images than any anastigmats.

_CATALOGUES AND ADVICE FREE._

=J. H. DALLMEYER, Ltd.,=

Show Rooms: 25, NEWMAN STREET, LONDON, W.

Offices and Works: DENZIL ROAD, NEASDEN, N.W.

Transcriber’s Note:

This book was written in a period when many words had not become

standardized in their spelling. Words may have multiple spelling

variations or inconsistent hyphenation in the text. These were

left unchanged.

Words and phrases in italics are surrounded by underscores, _like

this_. Words and phrases in bold are surrounded by equal signs, =like

this.= One footnote was moved to the end of the chapter. Final stops

missing at the end of sentences and abbreviations were added.

Captions to illustrations are in upper case letters. Descriptions in

lower case were added to illustrations without captions. Illustrated

drop cap is indicated thus: [Illustration: T]he ...

Nature's carol singers · 第 15 / 15 题