Country
Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Strain-Relieving Attachment for Telegraph-Keys.
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.
System:
The Portal to Texas History