Scientific American Magazine
Volume 69, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
A Storage Battery for Central Station Service
Death by Gas Asphyxiation and Poisoning
The “Paragon” Projection Lantern
An Improved Rotary Engine
An Improved Propeller Sleigh
A Movable Elevator for Use on Store Floors
The Rand Drill Company's Compound Duplex Air Compressor and Rock Drills at the Columbian Exposition
Magnetic Jack Straws
The Scientific American Match Safe
Brooks' Comet of 1893
The New Dudley Observatory, in Albany
Movable Night Lamp for Stairways
The World's Columbian Exposition--The Indian Scout
Noriega's Telephone
The Flying Propeller
Sheffield Steel at the Exposition
To Inventors
Departments
Correspondence
Recently Patented Inventions
New Books and Publications
Notes and Queries
Business and Personal
Index of Inventions
Patents
