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Shutter-Actuating Apparatus.
Patent for a device which acts as "a simple and relatively inexpensive apparatus by means of which a camera shutter may be operated either for snapshots or time exposures, from a point at a distance from the camera so that the operator may be included in the photograph and yet be able to absolutely control the time and duration of the exposure" (lines 10-17). Illustrations included.
Date:
June 29, 1920
Creator:
Emmrick, Hans B.
Object Type:
Patent
System:
The Portal to Texas History
Bastrop 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:
1929
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Taylor 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:
1925
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History