| 摘要 |
An elongated sloping flange I-beam type panel, adapted to be vertically secured longitudinally to a wall surface, is provided with parallel tracks which slidably support a vertically movable head. A coextensive rack is secured to the panel web medially its width. The head is provided with a manually rotatable transverse shaft having coaxial pinions engageable with the rack for vertical adjustment of the head with respect to the scale or locking the head piece in a selected location. The head is provided with a depending head bar movable to a horizontal position for alignment with height measuring indicia on the panel when the head bar is disposed above the head of the person whose height is being measured. A plurality of pins are provided for insertion into a selected one of a plurality of apertures formed in the web in vertically spaced horizontal rows to form a permanent record of the height attained as shown by the position of the head bar.
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