FAUSTMANN'S SPIEGEL-HYPSOMETER / FAUSTMANN'S MIRROR HYPSOMETER
A very special instrument to measure the height of trees is the FAUSTMANN'S MIRROR HYPSOMETER, invented 1856 by the German forester Martin Faustmann
in Darmstadt Kranichstein / Germany, THIRD INTERNATIONAL FAUSTMANN SYMPOSIUM Oct 2009 I presented the following HISTORY OF THE FAUSTMANN MIRROR HYPSOMETER (download as PDF-file) For my Fellow Collectors I edited in April 2009 an article about this instrument. More see: WOLF'S PLUMB BOB NEWS 2009-04 (I will update this article next time with new information). If you want to know more, please email me.
SOURCES (TEXT) written in
GERMAN see page "FAUSTMANN SPIEGEL HYPSOMETER" To know what you get in the below you find some pictures. (Click for a larger view on the picture) 20 pages article 2009-04 Original drawing from the Allgemeine Forst- und Jagdzeitung AFJZ 1856 FAUSTMANN HYPSOMETER by Hartmann & BRAUN 1890s Original made by Faustmann 3rd edition before 1870 different shape with folding scale 1884s Original Faustmann 3rd edition with slide and plumb bob Different plumb bob shapes from FAUSTMANN'S MIRROR HYPSOMETERS Instrument sold in the U.S.A. by KEUFFEL & ESSER
Some details from the drawings of 1856:
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