Volume 30, Issue 5
You are currently logged out. Please sign in to download the issue PDF.
Features
Gail Borden
Steam on Canals
Indicating Steam Engines
Dr. Henry Draper's Recent Discoveries in Spectroscopic Analysis
Psychic Force
Scientific and Practical Information - January 31, 1874
Proceedings of the Patent Convention
A Year's Inventive Progress
Electro-Plating Balance
The Yama-Mai, or Oak Tree Silkworm
Hydraulic Engineering Extraordinary
The Canopus Stone
The Silver Mines of Peru
Improved Patent Candy Cutter
Improved Furnace Bridge Wall
The Baffle Drill-Proof Safe
Overhead Steam Cranes for Dock Purposes
Decisions of the Courts - January 31, 1874
United States Circuit Court--Southern District of New York PATENT GRAIN AND GRASS HARVESTERS.—CYRENUS WHEELER JR., vs. CYRUS H. MCCORMlCK.