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Plow
Patent for an improved invention providing a convertible plow and cultivator. Illustrations included.
Date:
December 8, 1885
Creator:
Moore, Thomas M.
System:
The Portal to Texas History
Device For Illustrating the Transposition of Musical Scales
Patent for an improvement in machines for transposing musical scales in which a marked and perforated original scale is run over the machine and automatically transported, with levers and rods to mark the sharps, flats, and other information.
Date:
July 28, 1885
Creator:
Neill, John, Frances
System:
The Portal to Texas History