Binga inventor biography street sprinkler
15 untold black history inventors
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Golden age of invention
Patent for an inexpensive street-sprinkling apparatus.
Famous black scientist and inventors
The object of my invention is to increase the utility of such apparatus by providing means for directing the waterjets to any part of the street's width; to provide means by which the .
Henry a jackson inventor biography
In a street-sprinkling apparatus, the combination, with perforated sprinkling pipes closed at one end, of a hollow double compartment bearing having water-connections, substantially as set.