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Scientific American Magazine Vol 33 Issue 5

Scientific American Magazine

Volume 33, Issue 5

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Features

Improved Boiler and Feed Water Heater

The Strength of Insects

A City One Hundred and Eighty Thousand Years Old

Rapid Transit in New York

Apparitions

Collegiate Races

Prospects of Science on the Pacific Slope

Dangers of Chloral Drinking

Device for Protecting Horses

New Clinical Thermoscope

Improved Treadle Sawing Machine

Improved Air Reservoir

Improved Slide Valve Calculator

Cavender and Dallas' Corn Husking Implement

Improved Milking Tubes

Steller'a Blind Slat Holder

Alley's Bearing Feeler

Smith's Improved Awl

The Ficaria

The Cycads

Scientific and Practical Information - July 31, 1875

The Jamin Magnet

Decisions of the Courts - July 31, 1875

Recent American and Foreign Patents - July 31, 1875

Communications Received - July 31, 1875

Canadian Patents - July 31, 1875

Departments

Correspondence - July 31, 1875

New Books and Publications - July 31, 1875

Business and Personal - July 31, 1875

Notes and Queries - July 31, 1875

Index of Inventions - July 31, 1875