Volume 27, Issue 679supp
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Features
The Rocket Launch Eureka
Sodom Dam—New York Water Supply
Aluminium
Radii of Curvature Geometrically Determined
A Note on Hydroquinone Development
The Positive Cyanotype Process
Or Method of Reproducing With Dark Lines on a Clear Ground Fac-Simile Copies of Drawings, Plans, and Tracings