Volume 19, Issue 13
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Features
Aide Memoire for Silicious Formulae
Practical Horology in America
Transmission of Hydraulic Power From its Source to Propel Machinery at a Distance
Ice Machines
Fruit Car-Eastern Market for Western Productions
Half a Day at Collinsville
What Science Owes to Missionaries
M'creary's Patent Carriage Clip
Averill's Metallic Weather Strip
Savoy's Patent Metallic Boot and Shoe Shank
Manufacturing, Mining, and Railroad Items
Recent American and Foreign Patents
New Publications
Answers to Correspondents
Propelling Boats on Canals
Pretentious Teachers
Mechanical Skill Not Always Artistical Taste
Are the Direct Rays of the Sun Healthy?
Manufacture of Plugs and Bungs
Editorial Summary
Patents and Claims
Issued by the United States Patent Office