A New Grain Elevator

Publishers' Card

Diphtheria

A Valuable Gift by Chemistry to the World

Making Excuses

That Obnoxious Postal Law

Weak Sparks

Six Good Reasons Why Every Manufacturer, Mechanic, Inventor, and Artisan Should Become a Patron of the Scientific American

Working Men's Reading Rooms

Recent Improvements in the Screw Propeller

Steam Cultivation

Robertson's Iron Fence

A Non-Retreating Bunsen Burner

Donkey Pump

Improved Screw Cutting Die and Holder

Plate Shearing Machinery

The Krupp Twelve Hundred Pounder Gun

The Trinity Shoals Lighthouse

New Chemical and Miscellaneous Inventions - December 18, 1875

New Household Articles - December 18, 1875

Recent American and Foreign Patents - December 18, 1875

New Agricultural Inventions

New Mechanical and Engineering Inventions - December 18, 1875

New Woodwork and House and Carriage Building Inventions - December 18, 1875

Communications Received - December 18, 1875

Canadian Patents - December 18, 1875