Skip to main content

Features

Universal Wood Working Machine

The Grinding and Polishing of Plate Glass by Machinery

Andersons Oil Safe

The "Farmer" Fountain

The Prussian Needle Gun and the French Chas-Sepot Needle Gun

Hydraulic Machinery

Coating Vessels with Zinc

The New Patent Laws--Important Changes Affecting American and Foreign Manufacturers--Free Trade in Patents Now Fully Established

The Manufacture of Illuminating Gas

Depreciation of American Vitality

Scientific Intelligence- August 6, 1870

Is the Knowledge of English Grammar Necessary to the Writing of Good English?

How Mercurial Thermometers are made

How our Wheat Crops are Handled

Answers to Correspondents- August 6, 1870

Recent Americans and Foreign Patents- August 6, 1870

Official List of Patents- August 6, 1870

Departments

  • Letters

    Correspondence- August 6, 1870

  • Departments

    Business and Personal- August 6, 1870

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
August 06, 1870

Think Outside the Gift Box