Letter balance " Rictus "
Pic Letter 26

Made of black sheet iron. The brass graduation show the weigh from 0 to 500 gram. The first way, from 0 to 100 gram work with higher precision (step by 1 gram). The second way, from 100 to 500 is shown by steps of 10 gram. The complete scale is 8" tall. A little screw on the right side of the base, level the scale to zero.
D R Patent 384478 August 17, 1921


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