Camera Work: A Photographic Quarterly (1906 (Heft 16))

When purchasing a developer SCHERING’S The oldest and most favorably

please be particular to specify

known brand

PUT UP WITH LABELS AND SEALS
AS PER FACSIMILES HERE GIVEN

ONE OUNCE

PYROGALLIC ACID
RESUBLIMED
From E. SCHERING,—
MANUFACTURING CHEMIST, BERLIN.GERMANY.

The Standard of
the Fourth —
Last — Edition of
the German Phar-
macopœia


REGISTERED

See that you get
the Genuine
“SCHERING’S”
Excelled by
None

FOR SALE BY ALL DEALERS

OUR NEW CATALOG
END to us for our new De Luxe
Catalogue, with the Steichen
Prize-winning Cover. It also
contains some splendid specimens of
technical and pictorial photography, all
done with Goerz Lenses.


C. P. GOERZ AMERICAN OPTICAL CO.
52 UNION SQUARE, NEW YORK