Volume 14, Issue 40
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Features
Sulphur in Coal
Transmundane Telegraph
“The Strongest Man in the World” Prostrated
Ozone--What it Is
Wooden Shoe-Leather
An Old Telegraph Revived
Improved Shingle Machine
Applications for Extension of Patents
“Atlantic Science”
Plowing by Steam
Howe's Sewing Machine Patent in England
Websters' Dictionary Illustrated
Progress of Gas Lighting
Special Notice
Wonderful Lighthouse Improvement
Inflammable Iron
Canadian Patent Laws
The Golden Humbug
Phosphorescence
Important to Inventors
American and Foreign Patent