Features
Charbon Vaccination
Solar Apparatus
Malleable Bronze
Pittsburg and her Manufactures
Verity's Coupling Sleeve
The Life-Line Projector
Stopping Mechanism for Spinning Frames
Universal Machine for Working Metals
Universal Moulding Machine
Improved Refrigerating Machine
Machine for Bending Iron Plate
Von Grass-Klanin's Steel Band Press
Central Friction Gearing
The Tiring and Untiring of Car and Locomotive Wheels by Gas
Automatic Regulator for Machines for Giving Luster to Threads
The Telephone—From 1837 to 1882
Gelatino-Chloride of Silver Pictures by Development
Apparatus for Measuring High Pressures in Liquids
On Crystallized Anhydrous Grape-Sugar
Albuminated Ferrous Borotartrate
Camphorated Chloride of Calcium
The Action of Sulphureted Hydrogen upon Compounds Containing Oxide of Iron
Separation of Ether
Sick Headache
An Elephant's Head
Charles Robert Darwin
A New Depredator Infesting Wheat-Stalks
Blackberries in Delaware
The Ladder-Back Adder
Departments
- Departments
Patents