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
Object Type: Patent
System: The Portal to Texas History

Fort McKavett Sheet

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1916
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Rock Springs Sheet

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1916
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
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.
Object Type: Patent
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.
Object Type: Patent
System: The Portal to Texas History