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Cleburne Sheet

Description: 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: 1908
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.25 -97.25

Strain-Relieving Attachment for Telegraph-Keys.

Description: Patent for a strain relieving attachment for telegraph keys, which allows Morse code letters made up of dots and dashes to be typed with one key stroke rather than multiple ones, reducing strain on the key and operator and getting rid of extra spaces in the message.
Date: March 24, 1908
Creator: Teachworth, William H.
Item Type: Refine your search to only Patent
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