[W] Tralles alcoholmeter is almost exclusively employed in this country.—Trans.
[X] Fresh gluten, gum arabic, and caseine also cause the blue coloration.—Trans.
[Y] Menstrual blood is recognized by the presence of epithelial cells.—Trans.
BECKER & SONS,
MANUFACTURERS OF
Balances and Weights of Precision,
FOR
Every Balance and Set of Weights leaving this establishment is guaranteed to be accurately adjusted, as represented in our Price List.
☞Our Illustrated Price List mailed on application.
CATALOGUE
OF THE
Scientific, Military, and Naval
PUBLICATIONS
OF
D. VAN NOSTRAND,
23 Murray Street and 27 Warren Street, New York.