on Mar 9, 2017
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| Measures wood box | 26cm x 16 cm x 7 cm | von Recklinghausen, from the beginning of the 20th century
The device was made by, Med
It includes a pressure measuring scale in units of millimeters of mercury in a range from 4 to +300, also a scale in units of centimeters of water in a range from 5 to +400
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