Volume 4, Issue 81supp
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Features
Raising Sunken Vessels
On a Practical Method of Raising Sunken Vessels *
Pump Propulsion
Corrosion of Propellers
Propeller and Propeller Shaft of the “Thetis ”
Improved Ship's Anchor
On Steam Boilers and Engines for High Pressures
An Improved Squeezer
Bicycling
Another Atlantic Cable
Horseshoeing
Spontaneous Combustion
Flash-Signals
Aerial Telegraphy
New Theory of Microscopic Vision
Observations on Professor Abbe's Experiments illustrating his Theory of Microscopic Vision
The Microscopic Anatomy of Vaccination
Jaundice from Pork and Beans
Elimination of Lead in Saturnine Paralysis
A New Theory of the Origin of Typhoid Fever
Cure for Prickly Heat
Explanation of Plate
The Effect of Inaudible Vibrations Upon Sensitive Flames
Pus in Hospitals
Oxide of Zinc in Diarrhœa
On the Relative Ages of the Sun and Certain of the Fixed Stars
Read before the American Philosophical Society, April 6, 1877