Camera Work: A Photographic Quarterly (1909 (Heft 27))

When purchasing a developer O A T T TT^ 13 T ^ ^ O
please be particular to specify O II 1ZL XV. X JL\I V_X Cj

The oldest and most favorably
known brand

PUT UP WITH LABELS AND SEALS
AS PER FACSIMILES HERE GIVEN


ONE! OUNCE

y*yROGALLIC ACln
* RESUBLIMED

^E.SCHERING,—
MANUFACTURING CHEMIST, BERLIN.GERMANY.

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


REGISTERED.

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

FOR SALE BY ALL DEALERS

VIEWING AUTOCHROMES
THE “DIASCOPE”
C. The Diascope is a contrivance for viewing autochromes or any
other transparencies.
CL When closed up, it folds up like a book and protects the picture.
The only practical solution of viewing autochromes.
Used in the Photo-Secession Gallery for its exhibitions
of color transparencies.
«L Made in various styles to suit all purposes.
Manufactured by
Send for circulars, L. A. DUBERNET
prices, etc.
44 East 8th Street, New York, N. Y.