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SA Supplements Vol 29 Issue 743supp

SA Supplements

Volume 29, Issue 743supp

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Features

The New Croton Aqueduct, New York

Notable New Railroad Bridges in Saxony

The Illinois River Bridge Accident

The Stanley Exhibition of Cycles, 1890

A Simple Method of Drawing

William Gilbert, of Colchester

Telephonic Specific Inductive Capacity

F. H. Safford, G. U. G. Holman

Edison's Phonograph, its History and Development

Edward H. Johnson

Electrolytic Heat

A New Indigo Vat

Improved Wire Covering Machine

Porcelain Manufacture in France

Horseshoes and Roadways

Instruments for Drawing Curves

C. W. MacCord

Furnace for Drying Coal Agglo-merates

Chronophotography

Patents

The Administration of Certain Drugs by Electricity

Useful Engineering Books

Building Plans and Specifications