Volume 35, Issue 21
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Features
The Leverrier of Chemistry
Slade Sustained
The Ocean Echo--Henry vs Tyndall Again
Panics in School Houses
Vulcan Again
Irregularity of the Earth's Motion
Improved Shoe-Scolloping Machine
Curiosities of the Centennial--I
The Merits and Demerits of Linnæus
New Ice Velocipede
Improved Sap Spout
New Method of Setting Hair Triggers of Rifles
Improved Twist Drill and Tool-Grinding Machine
Improved Combination Desk and Book Case
A Museum of British Birds
The Gas Microscope
Centennial Notes - November 18, 1876
New Textile Machinery - November 18, 1876
Recent American and Foreign Patents - November 18, 1876
New Mechanical and Engineering Inventions
New Miscellaneous Inventions - November 18, 1876
New Household Inventions - November 18, 1876
New Woodworking and House and Carriage Building Inventions - November 18, 1876
New Agricultural Inventions - November 18, 1876
Communications Received - November 18, 1876
The Validity of Patents - November 18, 1876
Value of Patents and How to Obtain Them
Practical Hints to Inventors