Improved Boiler Cleaner and Mud Extractor

The Putnam Machine Company's Steam Engine

English Dealings with Food Adulterations

Prospects of Aeronautics

Publishers' Card

Ammoniumnitrodiphenylamin

What New York Might Do with the Great French Statue

Silence and Haste at Dinner

New Machine for Printing Colored Paper

Improved Steam Gage

A New Steam Governor

Curiosities of the Centennial

The Practical Results of the English Arctic Exploring Expedition

Improved Feed Water Heater

Improved Furnace Feeder

Sea Serpents

Prehistoric Relics in Arizona

Centennial Notes - December 2, 1876

New Agricultural Inventions - December 2, 1876

New Woodworking and House and Carriage Building Inventions - December 2, 1876

Recent American and Foreign Patents - December 2, 1876

New Mechanical and Engineering Inventions

New Household Inventions - December 2, 1876

New Miscellaneous Inventions - December 2, 1876

New Textile Machinery - December 2, 1876

Communications Received - December 2, 1876

The Validity of Patents - December 2, 1876