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1900 railroad air brakes red seal u. s. patent 645824


1900 Railroad Air Brakes Red Seal U. S. Patent 645824
Here is a rare item of train history. This is a Patent from 1900 for Couplings for Air Brakes by Albert R. Martin of Beaver Falls Pennsylvania. This has a Red Seal from the Patent Office with a blue ribbon under it. It has 2 drawings and 2 pages of information. The cover is in beautiful handwriting of the period. See photos for details. The hand written date reads: twentieth day of March one thousand nine hundred ____________________________. They did not fill in the year but on the inside, pages it is dated Patented Mar. 20, 1900. Also, see the other patent for train brakes numbered 645,823



1900 railroad air brakes red seal u. s. patent 645824 1900 railroad air brakes red seal u. s. patent 645824 1900 railroad air brakes red seal u. s. patent 645824 1900 railroad air brakes red seal u. s. patent 645824 1900 railroad air brakes red seal u. s. patent 645824 1900 railroad air brakes red seal u. s. patent 645824