JMAZ
letter scale

JMAZ is engraved at the front of this letter scale. This is the abbreviation of Jakob Maul Aus Zell. (Jakob Maul from the village Zell). This scale has a different leveling mechanism. The whole scale can be put oblique at the base to adjust the indicator to zero. This new adjusting mechanism is described in the German patent DE555627. It was granted on July 25 1932 to the firm Jakob Maul in Zell. The mechanism was invented to prevent scratches on table surfaces. The usual zero leveling screws cause such scratches. The letter scale of the patent figure has a movable chart and a fixed pointer. This letter scale has a fixed chart and a movable indicator. The patent only proves that the idea of this mechanism dates from 1932. This letter scale probably is of a more recent date. The letter scale has a capacity of  250 grams.  The chart shows a