Instructions des Quecksilbermanometer nebst Marmapparatus [Post- en Telegraafkantoor te Johannesburg]
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Departement Publieke Werken
Publieke Werke Dept.
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Description
Digitised version of National Archive file S.3/646 of "Instructions des Quecksilbermanometer nebst Marmapparatus" by M.O.Werner, Siviel Ingenieur, Pretoria
Keywords
Post office, Johannesburg