Feed-Delivering Attachment for Silos. (open access)

Feed-Delivering Attachment for Silos.

Patent for a rotatable feed delivering frame attachment for silos. This eliminates the need to manually climb the silo to transfer ensilage.
Date: July 22, 1913
Creator: Scott, Stephen M.
System: The Portal to Texas History
Tractor (open access)

Tractor

Patent for a tractor. Illustrations included.
Date: October 22, 1912
Creator: Miks, Ambrose
System: The Portal to Texas History
Sewing-Machine Attachment. (open access)

Sewing-Machine Attachment.

Patent for a sewing machine attachment "which can be used for the purpose of sharpening any instrument of small size - such as needles, scissors, knives, &c.;" (lines 11-13) with instructions and illustrations.
Date: June 11, 1891
Creator: McDowell, Anthony B.
System: The Portal to Texas History
Buckle. (open access)

Buckle.

Patent for a new and improved buckle. This design utilizes a knob in addition to the tongue to hold the strap more securely, preventing slippage.
Date: February 22, 1881
Creator: Owen, Abram
System: The Portal to Texas History
Pessary. (open access)

Pessary.

Patent for a ring pessary used as a female birth control device, including illustration.
Date: February 22, 1859
Creator: Wells, Francis, F.
System: The Portal to Texas History