Paper weighing scale
Antique Paper weighing scale made by Louis Schopper Leipzig. Made of iron with brass parts.
Engraved text on brass "Gramm per (symbol: square) Meter, bei 10 x 10 cm." Engraved text at the top:: "D.R.P" Engraved text: "NR. 42283". Height: 42 cm.
The idea is to weigh a piece of paper measuring 10 x 10 cm. to determine the weight per square meter of the paper.
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