400 / | HD | TYPEWRITING MACHINES |
139 | DF | INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE {11} |
140 | DF | .~ Including type-faces movable relative to type-face-carrier {5} |
141 | .~.~ Slidable type-faces mounted on reciprocable carrier {1} | |
141.1 | DF | .~.~.~> On rotatable or oscillatable carrier reciprocable along its axis |