Volume 33, Issue 23
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Features
The Water Gas Delusion Again
The Great International Exposition
Publishers' Card
Curious Poison Stories
The Meeting of the Public Health Association
The Source of Volcanic Action
Working Steep Gradients by Locomotives
Mein's Patent Governor
Moore's Pulley Block
Meigs' Improved Dioptric Light
Powell's Improved Burglar Alarm
Pedden's Improved Cow Tail Holder
The Emission of Carbonic Acid from Roots
The HolbrooK Patent Blind Hinge
Le Coentre's Sounding Apparatus
The Centennial Combination Culinary Apparatus
Improved Sadiron
Ironclad Vessels
Astronomical Notes - December 4, 1875
Miscellaneous Useful Inventions - December 4, 1875
New Woodwork and House and Carriage Building Inventions
New Mechanical and Engineering Inventions - December 4, 1875
New Chemical and Miscellaneous Inventions - December 4, 1875
New Household Articles - December 4, 1875
Recent American and Foreign Inventions - December 4, 1875
New Agricultural Inventions