The Hudson River Bridge at Troy, N. Y

Publishers' Card

The Water Gas Delusion Again

The Great International Exposition

Curious Poison Stories

The Meeting of the Public Health Association

The Source of Volcanic Action

Mein's Patent Governor

Moore's Pulley Block

Working Steep Gradients by Locomotives

Meigs' Improved Dioptric Light

The Emission of Carbonic Acid from Roots

Pedden's Improved Cow Tail Holder

Powell's Improved Burglar Alarm

The HolbrooK Patent Blind Hinge

Le Coentre's Sounding Apparatus

Improved Sadiron

The Centennial Combination Culinary Apparatus

Ironclad Vessels

Astronomical Notes - December 4, 1875

Miscellaneous Useful Inventions - December 4, 1875

New Household Articles - December 4, 1875

New Mechanical and Engineering Inventions - December 4, 1875

Recent American and Foreign Inventions - December 4, 1875

New Agricultural Inventions

New Woodwork and House and Carriage Building Inventions

New Chemical and Miscellaneous Inventions - December 4, 1875

Communications Received - December 4, 1875