Improvement in Devices for Teaching Musical Transposition. (open access)

Improvement in Devices for Teaching Musical Transposition.

Patent for an improvement in devices for teaching musical transposition. The invention in question is composed of a keyboard "with sliding instruments and scales" (1).
Date: April 25, 1876
Creator: Allison, Thomas J.
System: The Portal to Texas History
Improvement in Measuring Packaged Fabrics (open access)

Improvement in Measuring Packaged Fabrics

Patent for an improved device to measure textiles and other similar fabrics, including instructions and illustrations.
Date: March 13, 1877
Creator: Bond, Virgil A.
System: The Portal to Texas History
Improvement in Road-Scrapers. (open access)

Improvement in Road-Scrapers.

Patent for a new improvement in the construction of road-scrapers to make them more facilitating, faster, and with less animal power required.
Date: January 27, 1874
Creator: Tate, Thomas M.
System: The Portal to Texas History
Improvement In Machines For Filing Saws. (open access)

Improvement In Machines For Filing Saws.

Patent for improvements in the construction of machines for filing saws. Description of the construction and illustrations are attached.
Date: August 19, 1879
Creator: Basom, Ransford W.
System: The Portal to Texas History
Improvement in Cotton and Hay Presses (open access)

Improvement in Cotton and Hay Presses

Patent for new cotton and hay presses with new bailing designs, including illustrations.
Date: September 1, 1877
Creator: Methvin, Boling J.
System: The Portal to Texas History
Improvement in Game-Tables. (open access)

Improvement in Game-Tables.

Patent for a "new and improved Gaming-Table..." [line 5] including illustrations and instructions.
Date: August 5, 1879
Creator: Macy, Edwin M.
System: The Portal to Texas History