Volume 42, Issue 7
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Features
How Great Inventions are Made
The Western Railway Association and the Patent Laws
The Owner of the Cape of Good Hope and his Ostrich Farm
The Logic of Government Control
The Proposed World's Fair in 1883
Hints to the Young Steam Fitter
Mechanical Inventions
Novel Pedo-Motor
Improved Blowpipe
Combined Milk Strainer and Stool
Improved Draught Tug Springs
Miscellaneous Inventions
American Industries—No. 30.
THE MANUFACTURE OF LEATHER BELTING.