Volume 45, Issue 1
You are currently logged out. Please sign in to download the issue PDF.
Features
Boiler Explosion Notes
The Preservation of Eggs
Loan Exhibition of the Ohio Mechanics' Institute
The Jeannette Relief Expedition
Engineering Inventions
An Improvement in Horse Collars
New Strainer for the Outlet of Tubs and Basins
Novel Chart Rack
Improvement in Steam Boiler Furnaces
Recent Inventions - July 2, 1881
Electric Induction by Stress
New Road Scraper
Porcelain Urn
Agricultural Inventions - July 2, 1881
Miscellaneous Inventions - July 2, 1881
The Prospects and Present State of Photography in Natural Colors
In Two Chapters