Scientific American Magazine Vol 63 Issue 3

Scientific American Magazine

Volume 63, Issue 3

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Features

The Panama Canal Bubble

Cost of the New Aqueduct

An Improved Guide for Sewing Machines

A Hemming Attachment for Sewing Machines

An Improved Folding Scaffold Bracket

Hot Water to Drive Cattle from Tracks

A Solar Attachment for Transit Instruments

An Improved Bridle for Horses

An Improved Garden Implement

The New Croton Aqueduct--the Harlem River Siphon and Pumping Apparatus

Home Made Grills and Gratings

The McLeod Pneumatic System of Heating, Ventilating and Cooling, and Improved Subway Construction

The Gramophone

New York City Aqueduct--Its Engineering Features and Design

Scientific American Building Edition- July 19, 1890

Departments

New Books and Publications- July 19, 1890

Recently Patented Inventions- July 19, 1890

Business and Personal- July 19, 1890

Index of Inventions- July 19, 1890

Notes and Queries- July 19, 1890

To Inventors- July 19, 1890