Scientific American Magazine

Manufacture of Zinc Oxide and Bartlett Lead

Steam on Common Roads

Is Man a Feeble Animal?

Resemblances among Animals

The Lantern Fly

Curculio Extirpation Possible

Imported Insects and Native American Insects

A Chill Room in a Meat Packers' Establishment

Facts and Recipes

Foster's Convertible Cultivator, Hoe, Fork, Rake, and Spade

Kelly's Lasting Machine Boring Bit

Statics and Dynamics of Friction

A Denunciation of Water Meters

Gas Stoves for Ordinary Domestic Use

The Darien Canal Survey

A Glance at Aeronautical Science--Review of a Paper Read at a Meeting of the Aeronautical Society in London, by W. Clare

Ice by Machinery

The History of a Defunct Horse

Scientific Intelligence- July 16, 1870

A Sewing Machine-Patent Extension--An Irate Opponent

Vassar College

Correspondence of the Scientific American

Recent American and Foreign Patents- July 16, 1870

Answers to Correspondents- July 16, 1870

Official List of Patents- July 16, 1870

Applications for the Extension of Patents- July 16, 1870

New Books and Publications- July 16, 1870

Business and Personal- July 16, 1870