Resource Type

Improvement in Seed-Planters. (open access)

Improvement in Seed-Planters.

Patent for "revolving-cylinder seed-planters; and its object is to furnish a strong and durable implement adapted to plant with precision various kinds of seed, and the wheels of which are not liable to become clogged with earth." (Lines 12-17) Includes instructions and illustrations.
Date: November 13, 1877
Creator: Burris, John W.
System: The Portal to Texas History
Improvement in Harmony Attachments for Piano-Fortes. (open access)

Improvement in Harmony Attachments for Piano-Fortes.

Patent for, "an attachment for piano-fortes, whereby the musician may play the melody upon an instrument like the violin with his hands in the usual manner, and the accompaniment or harmony by operating the attachment with his feet."
Date: November 11, 1879
Creator: Radinsky, Gustav A.
System: The Portal to Texas History