Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...
This was found in a ditch - but represents a pioneering technology from early 20th century Britain. It probably dates around 1910. These lamps produce and burn acetylene, and were originally used in ...
Includes catalogs issued by: Wolf Safety Lamp Co. Ltd. (Leeds, England) and Wolf Safety Lamp Co. of America, Inc. (Brooklyn, N.Y.).
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