Features
To Water Supply for New York City
An Improved Burglar Alarm
An Improved Clinical Thermometer
Experiments on the Inexpansibility of Water and Contraction of Ice
An Improved Piano Lamp Bracket
An Improved Child's Swing
Improved Fender for Car Windows
A Spring Cover Oiler
An Improved Thill Coupling
Sieve Attachment for Thrashing Machines
An Apparatus for Heating and Steaming Grain
The New Rubber Tip Peael Mucilage Bottle
Improved Leather Belting
Photographic Notes- July 6, 1889
The Washington Arch of New York
The Vari in the Berlin Zoological Garden
To Inventors- July 6, 1889
Departments
- Letters
Correspondence- July 6, 1889
- Recommended
New Books and Publications- July 6, 1889
- Departments
Business and Personal- July 6, 1889
Notes and Queries- July 6, 1889
Recently Patented Inventions- July 6, 1889
Index of Inventions- July 6, 1889
