Resource Type

Antispreading Attachment for Rails. (open access)

Antispreading Attachment for Rails.

Patent for the improvement of antispreading attachments for rails. The attachments provide a structure comprising a span tie located between the rails and is adapted to connect with dogs, one dog being connected with each of the rails.
Date: May 4, 1915
Creator: Simpson, Mary E.
System: The Portal to Texas History
Canning Apparatus. (open access)

Canning Apparatus.

Patent for an apparatus adapted for use in canning operations for steaming and cooking fruit, vegetables, and the like, in the cans.
Date: January 8, 1918
Creator: Mueller, William
System: The Portal to Texas History
Envelop-Seal (open access)

Envelop-Seal

Patent for an envelop seal. Illustrations included.
Date: April 9, 1912
Creator: Pettitt, Nancy E.
System: The Portal to Texas History