Features
An Improved Draught Equalizer
An Improved Grindstone Tool Holder
Improved Foot Best for Radiators
An Improved Sash Holder
A Chair for Use on the Sea Beach
The New Additions to the Navy
An Improved Oyster Pail
Tare's Improved Wash Boiler
Sims-Edison Torpedo
Curiously Worn Gear Wheel
Secondary Battery
An Improved Steam Engine
Maternal Instinct in Spiders
Accident on The Housatonic Railroad
To Inventors- July 13, 1889
Departments
- Recommended
New Books and Publications- July 13, 1889
- Departments
Businesss and Personal- July 13, 1889
Recently Patented Inventions- July 13, 1889
Notes and Queries- July 13, 1889
Index of Inventions- July 13, 1889
