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SA Supplements Vol 19 Issue 481supp

SA Supplements

Volume 19, Issue 481supp

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Features

The Chinese Pump

High Speed Steam Engine

The Right Railroad

New Torpedo

The Water Clock

The Use of Gas in the Workshop

Dupuy De Lome

The Gas Meter

Dobson and Barlow's Improvements in Heilmann's Combers

Machine for Polishing Boots and Shoes

Personal Safety with the Electric Currents

The Municipal School for Instruction in Watch-Making, at Geneva

A Visit to Canada and the United States in the Year 1884

W. H. Preece

On the Origin and Structure of Coal

The House of a Thousand Terrors, Rotterdam

Labor and Wages in America

D. Pidgeox

Ice Boat Races on the Mueggelsee, Near Berlin

Departments

Patents - March 21, 1885