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Mop.
Patent for a replaceable mop body, or mop brush, with instructions and illustration. In the uppermost portion of the mop brush, new fibers that "can be slightly advanced out of the casing" (lines 79-80) allow for the the use of new fibers, when old fibers become worn or damaged.
Date:
May 9, 1916
Creator:
Morrison, Murray
System:
The Portal to Texas History
Rail-Joint-Supporting Device
Patent for a rail joint supporting device to prevent sagging of the tracks.
Date:
May 21, 1912
Creator:
Scott, Walter
System:
The Portal to Texas History