Volume 2, Issue 32supp
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Features
The Pennsylvania Diamond Drill Company's Drill
Brewers' Hall at the Centennial
The Philadelphia Exhibition
The Government Building
Aniline Colors at the Exhibition
United States Naval Machinery at the Exhibition
The International Exhibition of 1876
Testing and Weighing Machinery of Messrs Riehle Bros
American Silverware at the Centennial
The Niagara Duplex Air-Pump
The Norwalk Steam-Engine
French Academy of Sciences
Physical Society.—London, May 27
American Iron Bridges
The Importance of a Knowledge of the Laws of Health
To Westminster Hospital,and Lecturer on Medical Jurisp Rudence
Recent Trials of a New 38-Ton Gun in England
Dwellings for Workmen
Miniature Maps
A Singular Accident
The “Challenger” Expedition
Pumping-Engine at the Lehigh Zinc-Works, Friedensville, Pa
The Loan Collection of Scientific Apparatus
Effect of Electricity on Particles Suspended in Liquids
Lessons in Mechanical Drawing
How to Build Cheap Boats
A New Domestic Ice Machine
Temperature of the Interior of the Earth
Headaches from Eye-Strain
The Ophthalmoscope
Potatoes—Level Culture
House Drainage
Cost of a Bushel of Meal
A New Wheat Destroyer
Water-Cress in the Materia Medica
Grease Traps
Ploughing in Rye
Precious Stones in Brazil
A New Microscopic Slide
Communicated by Professor Rupert Jones, F.R.S. Read before the Royal Microscopical Society, 1876