Volume 29, Issue 736supp
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Features
Ship Canals in 1889
Canals in Progress—At Home
Mechanical Birds
Cast Iron Guns
The Hudson's Bay Railway
Mud Docks at Vizagapatam, India
John Ericsson
American Oil Pipe Lines
La Guayra, Venezuela
Proposed New Tunnel and Gravity Railway between New York and Brooklyn
On Active Oxygen in Vital Phenomena
An Abstract of Original Research