Volume 6, Issue 131supp
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Features
American Archæology
The Fire-Bush
Forest-Tree Borers
Chromo-Photography
A New Albert-Type Process that Reproduces Color in Pictures
The Collodio-Bromide Emulsion Process
Edwards' Enlarging and Copying Camera
Manganese and Chrome Blues
Direct Ink Printing from Glass Negatives
Dyes and Colors
Blue Alizarin
On the Use of Chalk in Dyeing Wool
Absorption of Carbonic Oxide
Hearing by the Teeth
Contributions to Blowpipe Chemistry
First Paper.—New Blowpipe Bellows*