Excerpt from Alien Property Custodian: Calculating Machine
A further object is to provide means whereby after a key has been pressed in the last or high est position of the revolutions counter, in order to prevent errors by additional unintentional pressure on the multiplier keys, a check member is coordinated with the multiplier keys which pre vents further depression of these keys, when the carriage is in its extreme right end position.
With these and other objects in view which will become apparent from the detailed description below, the invention is shown in the drawings in which: Fig. 1 is a plan view of a Thomas calculating machine having the arrangement of the present invention.
Fig. 2 is a partial vertical cross section on line II - II of Fig. 1.
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