Volume 52, Issue 9
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Features
The Commissionership of Patents
Built-Up Mills
A Trade as a Refuge
Aspects of the Planets for March - 1885
Improved Shipping Case
Railroad Ticket Holder
Keel for Submarine Boats
Improved Nut Lock
Car Replacer
Improved Back-Washing Machine
Unloading and Elevating Apparatus
Improved Car Fare Box
An Early Electro-Magnetic Locomotive
Torpedoes of the Austrian Navy
Fishways on the River Sire
By A. Landmark, Government Inspector of Fisheries, Norway
Agricultural Inventions - February 28, 1885
Engineering Inventions - February 28, 1885
Mechanical Inventions - February 28, 1885
Special - February 28, 1885
Sleep for the Sleepless