Hydrostatic Indicator for Weighing Scales.
Description:
Patent for a new and improved hydrostatic indicator for scales. This design consists in "a reservoir, an outer cylinder, a hollow inner cylinder, an attached stand-pipe, and registering-dial, said inner cylinder being surrounded by and sliding within said outer cylinder, said outer cylinder being provided with an attached inlet-pipe communicating with said reservoir, said pipe being provided with two valves, in combination with a bearing-bar, side rods, and under bar, forming a frame bearing up…
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Date:
February 5, 1889
Creator:
Lewis, Henry A.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department