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Rail-Fastening for Plastic Ties and the Process of Making the Same.
Patent for " an improvement in rail-fastenings for plastic ties and the process of making the same." (lines 12-14) including instructions and illustrations.
Date:
December 26, 1905
Creator:
Percival, Herbert E.
Object Type:
Patent
System:
The Portal to Texas History
Rail-Fastening.
Patent for a rail fastening for padding the connection between the rail and the tie, which has a stronger connection than previous versions of this type of device.
Date:
December 24, 1907
Creator:
Percival, Herbert E.
Object Type:
Patent
System:
The Portal to Texas History
[Texas] Typical Curves of Precipitation
Series of three graphs demarcating the average rainfall per month for specific Texas cities across different regions of the state. Some lines are marked in red to distinguish individual points.
Date:
1891
Creator:
unknown
Object Type:
Technical Drawing
System:
The Portal to Texas History