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SA Supplements Vol 44 Issue 1137supp

SA Supplements

Volume 44, Issue 1137supp

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Features

Prevention of the Sliding Friction of Ball and Roller Bearings

A Portable Recorder for Tests of Metals

G. C. Henning

Railway Building in the Nubian Desert

Perpetual Motion.—VI

Steam Power in the Fishing Business in Europe

Charles Theodore Mason

The First-Class Torpedo Boat Injeniero Hyatt

A Hertz Wave Model

On Practically Available Processes for Soldering Aluminum in the Laboratory

Direct Photo-Lithography on Stone

Electrical Notes

Engineering Notes

Miscellaneous Notes

Production of Statuary

A Fight of Polar Bears

A Hand-Shaped Carrot

Nepenthes X Tiveyi

Common Plants

Are Geniuses Long Lived ?

The Manufacture of Tin Plates

George B. Hammond

John Cabot and the Discovery of Newfoundland

Patents!