Volume 32, Issue 2
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Features
The Woodbury Patent
Is the Ether Matter?
The Physical Forces are Modes of Ether Pressure
The Commissioner of Patents on the Patent Office Tea Set
The Cultivation of Oysters
The Morgan Hospital School, Dundee, Scotland
British Naval Guns
Portable Steam Winch
Shade Attachment for Plows
Improved Grubbing Machine
Improved Horse Detacher
Sir Samuel Baker's Expedition
The Great Well at Prospect Park, Brooklyn
The Constitution of the Sun
NUMBER III-CONCLUSION
Ocean Telegraphy
NUMBER I