Tubular Tank Inspector And Gage (open access)

Tubular Tank Inspector And Gage

Patent for a tubular tank inspector and gage. This invention is designed for the measuring level of fluids in the tank. Illustration included.
Date: April 2, 1907
Creator: Gregson, William
System: The Portal to Texas History
Trace-Fastener (open access)

Trace-Fastener

Patent for a trace fastener for whippletrees. This is a device that "provide[s] a simple, efficient, reliable fastener which will when in use, at all times and under all circumstances, hold the trace in connection with the end of the whiffletree [sic] and which will prevent undue wear on the cockeye or hole in the end of the trace." (Lines 9-16)
Date: April 2, 1901
Creator: Nichols, Charlie M. & Burnett, Charles M.
System: The Portal to Texas History