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Improvement in Speed and Time Recorders.
Patent for improvements in recording instruments to "document of all the movements of a locomotive while in charge of the engineer, to record any stoppages that may be made; the duration of such stoppages, and any backward motion of the locomotive at any point during the trip." (Lines 7-13) Illustration is included.
Date:
September 9, 1879
Creator:
Richardson, John D.
System:
The Portal to Texas History