Scientific American Magazine
Volume 57, Issue 2You are currently logged out. Please sign in to download the issue PDF.
Features
Raising a Sunken Steamship
Accession of the United States to the Industrial Union
The Economical Disposition of Primary Batteries
Use of the Siren in Marine Signaling
A Steam Heated Ironing Machine
A Miner's Tool to Cut Fuses, Set Caps, Etc.
An Automatic Wood Turning Lathe
A Device to Feed the Seed in Cotton Planting
A Mill to Free Rice from its Hulls
A Dustless Carpet Sweeper
An Improved Key Hole Guide and Escutcheon
A Pen for Double and Single Line Ruling
An Improved Water Gauge Float
The Premium Folding Stool and Chair
A Wall Protecting Attachment for Furniture
Larv of Bot Fly in Horse's Stomach
A New Style of Thermometer
New French Armorclad Cruiser Le Terrible
Improved Automatic Cut off Engine
Simple Photographic and Photo-Micrographic Apparatus
Engineering Invention - July 9, 1887
Miscellaneous Inventions - July 9, 1887
To Inventors - July 9, 1887
Departments
Business and Personal - July 9, 1887
New Books and Publications - July 9, 1887
Notes and Queries - July 9, 1887
Index of Inventions - July 9, 1887
