Volume 33, Issue 26
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Features
The Discovery of Another form of Electricity
Heavy Loss from Lightning Rod Ignorance
The Origin of Life
Light in Coal Mines
Timely Suggestions
The New Phase of Electric Force
King's Improved Support for Printers' Galleys
Acidemetry Applied to the Testing of Vinegar
New Double Shaping Machine
Filters and Liquid Meters
Practical Mechanism - December 25, 1875
Number XXXVIII
American Silk-Spinning Machinery
Improved Universal Wheelwright's Machine
Miller's Recoil Check for Guns
Greenhouses and Hothouses
Plant Vases for Indoor Decoration
New Mechanical and Engineering Inventions - December 25, 1875
New Agricultural Inventions - December 25, 1875
New Household Articles - December 25, 1875
Recent American and Foreign Patents - December 25, 1875
New Chemical and Miscellaneous Inventions