Scientific American Magazine
Volume 27, Issue 18You are currently logged out. Please sign in to download the issue PDF.
Features
Pneumatic Elevator
Plating with Aluminum
From the Deutsche Industrie Zeitung. by Dr. Clemens Winkler
The Health of the Workmen of the East River Bridge
Corundum of North Carolina and Georgia
Combined Pipe Wrench and Vise
Improved Tool Rest
How Patterns in Carpets Are Made
Road-Building in the Caucasus
The Manchester Scientific and Mechanical Society
Professor Tyndall's First Lecture in America
Malleable Iron
New Method for Sensitizing Collodion
Publishers' Card to Advertisers
Underground Railroads
Professor J. H. Pepper
An Important Patent Extension Denied
A Million Dollar Telescope
Discouraging Prospects in England
Downfall of the Paper Collar Ring
William Prescott Smith
Professor John W. Frazer
Hanging Wall Paper
Scientific and Practical Information
Edwin Marcus Chaffee
Copies of Patents
Answers to Correspondence
Communications Received
Recent American and Foreign Patents
Practical Hints to Inventors
Departments
Notes and Queries
Business and Personal
Index of Inventions
New Books and Publications
