Volume 16, Issue 7
You are currently logged out. Please sign in to download the issue PDF.
Features
South-West Alleghanies
Gleanings from the Polytechnic Association
Editorial Summary
Davis' Improvement in Organs
The Suspenders Bridge
Hamaker's Patent Step for Upright Shafts
Dangers of Kerosene Lamps, and Means of Safety
The Cotton Manufacture--Mule Spinning
Spontaneous Combustion of “Coffee”
Science Familiarly Illustrated
Answers to Correspondents
Recent American and Foreign Patents
American Chilled Wheels in England
Mending Iron Castings
The Needle Gun and the Rebellion
An Important Patent Law Question
Our Water Streets--Ferrying, Bridging and Subtubing
Aerolites
Pseudo-Scientific Speculation
The Brotherhood of Locomotive Engineers
Patents Claims
Issued from the U. S. Patent Office