Scientific American 389 May 12, 1906. of miter gears, one keyed to one of the axles of the other receptacle used. The drum rotates continuously, swinging frame, and the other carried by the swing- both when discharging and when being charged, at a When the batch is ing frame.’ Secured to the shaft… … clined rails to a position above the mixer, where it of a wheelbarrow, both for charging and discharging tips (as‘indicated by dotted lines in the engraving) the machine. The “United” mixer, which is shown in Section of Smith Machine Showing Spiral Blading. and pours its load into the charging…
Internet Archive · Public domain (published before 1931). Free to use for anything.
