Volume 41, Issue 25
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Features
Science as Applied to Tanning
New York Academy of Sciences
A New Plan for Heating Horse Cars
A Hot Water River
The Angamar Steam Passenger Car
Novel Treadle Motion
The Steam Pilot Boat Hercules
Miscellaneous Inventions
New Projectile
Electrical Signaling Instrument
Improved Hose Nozzle
American Industries.--No. 26
Agricultural Inventions
A Fungoid Growth--The Cause of Whooping Cough
Tussio Convulsiva, Pertussis