Mechanical Inventions

1885 Scientific American  
A steam actuated valve has been pat ented by Mr. John S. Bartlett, of Akron, O. This in ventIon covers a novel construction and combination of parts for a steam actuated slide valve for steam engines, in which there is a long hollow piston, working in a cy linder immediately over the top of the slide valve. A car coupling has been patented by Mr. George J. Ferguson, of Greenville, Texas. The invention consists mainly in a special construction of coupling device in combination with a spring for
more » ... eld· ing it to the opened or closed position, and co-operating with the same for automatic action, the ordinary link being used, and the draught beiug taken in the same way as by the common pin.
doi:10.1038/scientificamerican09261885-202a fatcat:b2qgjss2tnc47prvj44msg3rb4