Decisions Relating to Patents
By the Commissioner of Patents
Volume 10, Issue 253supp
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Features
How Gold Leaf is Made
Machines for Finishing Fabrics
The Trade in Hides
The Tradesmen of Ancient Rome
English and American Cities
Water Polo
The Sargasso Sea
Steamboats of the Pacific Coast
A Great Railway's Depots
Warehouses, Elevators, and Cattle Yards of the New York Central and Hudson River Railroad on the North River
To Estimate the Horse-Power of a Steam Engine
Laurence's Cargo Block
Great Span Roofs
Electrical Machines—An Important Problem and its Solution
Photo-Electricity
An Electrical Fire-Damp Photometer
The Heliograph
Improved Heliograph or Sun Signal
The Distance of Clouds
On Determining the Heights and Distances of Clouds by their Reflections in a Low Pool of Water, and in a Mercurial Horizon