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Graphometer, Esser a Arau, Zeughaus
Bern 2, early 19th century
30 cm, Brass instrument, R= 13.5 cm. Sights 10 cm, all sights are
working.
0 – 90 – 180. First graphometer constructed
by Esser.
Very
good quality.
If you have any question to the instrument of my collection please
contact me:
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