Adapted from the French of ARTHUR CHEVALIER X.—OF THE NUMBER AND FOCI OF LENSES. AND THEIR MOUNTINGS.
Read before the Section on the Practice of Medicine, American Medical Association
Translated for the Scientific American Supplement, from the Gazette des Hopitaux. IV
A VERSION FOR THE KINDERGARTEN
On the Para and Ceara Rubbers and Balsam of Copaiba Trees.
Printing, comprising items of information in relation to every class of work. Plain and Albumen, Porcelain and Carbon Work, are all treated of in this series
MR. D. BRUCE PEEBLES (Edinburgh) read the following paper recently before the North British Association, which we take from the Journal of Gas Lighting