Volume 30, Issue 3
You are currently logged out. Please sign in to download the issue PDF.
Features
The Vienna Exhibition and its Results
The Value of a Kernel of Corn
Science Record for 1874
Patent Office Printing
Obituary
The Prime Movers and their Recent Progress
Improved Tramway and Vehicle
Prosper Henry's Comet
A New Steam Omnibus and Street Car
The Wilson Process for Making Wrought Iron Direct from the Ore
Alumina, from the Clay to the Sapphire
Testing the Quality of Iron, Steel, and Other Metals, without Special Apparatus
Improved Nut Lock
Improved Pruning Shears
Starr's Cotton Bale Fastener
The New Exploration of the Amazon River, by Professor Orton.—Over the Andes
Decisions of the Courts - January 17, 1874
United States Circuit Court---District of California.
Scientific and Practical Information - January 17, 1874
Value of Patents, and How to Obtain Them
Recent American and Foreign Patents - January 17, 1874
Answers to Correspondents - January 17, 1874
Communications Received - January 17, 1874
How to Obtain Patents and Caveats in Canada - January 17, 1874
Canadian Patents - January 17, 1874
LIST OF PATENTS GRANTED IN CANADA
DECEMBER 28 TO DECEMBER 29, 1873.