Volume 30, Issue 757supp
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Features
How to Hammer Circular Saws
Celluloid as a Drawing and Printing Material
A Table for Drawing Ellipses by Arcs of Circles
150 Ton Ice Making Plant—Linde System
Direct Acting Hydraulic Pumping Engine
A New Form of Electric Chronograph
Photo-Electric Impulsion Cells
Magnetizing Iron with the Alternating Current
A Remarkable Flash of Lightning
Sinking of the Quetta
Oleomargarine
Optical Telegraphy
The Warriors of British New Guinea
Goldie's Birthwort
Aristolochia Goldieana