Features
Steam Plowing Again
The United States Patent Office
Culture of Tea
Skeleton Leaves of Plants
Lake Superior Copper Mines
The Milky Way
Steam Fire-Engine Correction
Bamberg & Blaser's Clay-Separator
Discovery of the Composition of Water
Eastern Manufactures
Test Papers for Chemists
Defiance to the Elements
Irrigation, Suction and Force Pumps
Novel Experiment at the Washington Monument
Low Water Indicator
Tin--Its Uses and Commerce
Improved Coal Oil Retort
Pennsylvania Polytechnic College
Ink From Elder
Railroad Axles and the Forces They Have to Resist
Transplanting Large Trees
Olive Oil as an Antidote in Poisoning
Improved Plow-Handle Cutter
Improved Double Seaming Machine
The Fathers of Philosophy--VI
A Disputed Question in Steam Explosions
Elderberry Wines
Bartlett's Household Condenser
Gold From the Graves
The Gomez Fuse Train
Sour Milk
Air and Sunshine
Progress on the Pacific
The Uses of Paper
Foreign Summary--Metals and Markets
Patent Claims
Fair of the American Institute
A Mine of Antimony
Improved Machine for Cutting Teeth in Saws
The New Stamped Envelope
Departments
- Departments
New Inventions
Notes and Queries
