Der nordamerikanische Physiker Alexander Dallas Bache (Urenkel Benjamin Franklins) ist in Berlin, um preußische Unterrichtseinrichtungen zu studieren. Geomagnetische Messungen mit H.
The creation of the edition humboldt digital datasets is an ongoing process. The scope and accuracy of the data grows as the project progresses. We are always grateful for any additions, corrections and error reports. Please write to edition-humboldt@bbaw.de.
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