1962.088.067
Drawing, Technical
U. S. Lake Survey,
Sketch of Grate Bars for U.S.S. Margaret
One plan sheet entitled, "USS Margaret." The drawing consists of black ink on linen and shows plan, profile, and cross-section views of the grate bar arrangement for hatches on the vessel. The drawing was prepared by the U. S. Lake Survey Office, Detroit, Michigan, and is dated February 3, 1828.
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