Features
Peck's Improved Low Water Detector and Alarm
On the Machinery for Boring Artesian Walls
Paris Exposition--Award of Premiums
The Consumption of Sugar
Baker's Metallic Bag Fastener
Merrill's Improved Cask
Watson's Gimlet
Business and Manufacturing Items
Recent American and Foreign Patents
Editorial Summary
Answers to Correspondents
Greenwood Cemetery Entrance
Science Familiarly Illustrated
Boring Through the Heart of Trees
How Long Is a Year?
Torpedos in Every House
A Shattered Thunderbolt
A Word to Correspondents
Notice to Subscribers
The Paris Exhibition
Official Report of Patents and Claims
Departments
- Departments
Correspondence
Business and Personal
Patents