Today in 1893, US Patent 504610 A was issued, an invention of Andrew W. Oppmann, for his “Barrel Registering Machine.” There’s no Abstract, although in the description it includes these claims:
This invention relates to machines for registering barrels, half barrels, and kegs, the nature and objects of which will fully appear from the subjoined description when considered in connection with the accompanying drawings, in Which- Figure l is a perspective view of my new registering machine as seen arranged over an elevator, for receiving the barrels from below. Fig. 2 is a like perspective view of the same as seen for receiving the barrels through an opening in a well from a room on the same floor. Fig. 3 is a view of an office or room located above or in another part of the building having electric bells connected with the machine for the purpose of announcing the delivery and registration of barrels or kegs by the said machine.