Scientific American Magazine Vol 68 Issue 4

Scientific American Magazine

Volume 68, Issue 4

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Features

American Society of Civil Engineers

Proposed Additions to the Elevated Steam Street Railways in New York

Unclean Paper Money a Vehicle for the Spread of Disease

An Improved Pedal Attachment

A Belt Guide and Tightener

Monumental Luminous Fountains

The First Overhead-Propelled Street Railway

Improved Means of Running Millstones

Charles T. Yerkes

An Improved Manger

How the Broken Shaft of the Cunard Steamship Umbria Was Repaired

To Inventors- January 28, 1893

Departments

Correspondence- January 28, 1893

New Books and Publications- January 28, 1893

Recently Patented Inventions- January 28, 1893

Business and Personal- January 28, 1893

Index of Inventions- January 28, 1893

Notes and Queries- January 28, 1893

Patents- January 28, 1893