Serial/Series Title
Counties
Decade
Month
Day
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Improvement in Pipe and Rod Clamps.
Patent for "improvements in devices for supporting pipes and rods in position" (lines 10-11) including instructions and illustrations.
Date:
December 29, 1914
Creator:
Adams, Benjamin F.
Object Type:
Patent
System:
The Portal to Texas History
[Envelope from Alberta Head to Camp Denali, April 29, 1971]
Envelope from Alberta Head to Camp Denali. No letter is included.
Date:
April 29, 1971
Creator:
Head, Alberta F.
Object Type:
Letter
System:
The Portal to Texas History
Grain-Drill Attachment.
Patent for combining a plow and a grain drill into one device, to reduce the number of times the soil needs to be turned per planting.
Date:
August 29, 1915
Creator:
McAdams, William J.
Object Type:
Patent
System:
The Portal to Texas History