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5 Matching Results
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5
Auger-Bit
Patent for an auger bit used for boring holes. Illustrations included.
Date:
June 22, 1909
Creator:
Harris, Lawrence P.
Object Type:
Patent
System:
The Portal to Texas History
Dallas 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:
1909
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Writing Instrument.
Patent for a writing instrument for writing on stacks of carbon paper, which need heavy pressure to show on all the pages.
Date:
November 2, 1909
Creator:
Dyches, John W.
Object Type:
Patent
System:
The Portal to Texas History
Fire Alarm
Patent for a fire alarm. Illustration included.
Date:
December 28, 1909
Creator:
Andrews, Bolivar C.
Object Type:
Patent
System:
The Portal to Texas History
Head-Rest For Barbers' Chairs
Patent for a headrest to be used for chairs used by barbers and doctors. Illustrations included.
Date:
October 19, 1909
Creator:
Wallace, Robert S.
Object Type:
Patent
System:
The Portal to Texas History