Image:Goniometr-1900.png

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Goniometers:

  1. manual
  2. optical
Public domain This image is in the public domain because its copyright has expired.

This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.

Polski: źródło: S. Orgelbranda Encyklopedja Powszechna z ilustracjami i mapami
English: source: Common Encyclopedy of Samuel Orgelbrand with illustrations and maps

edited in sixteen volumes 1898-1904 (plus two volumes of "suplement", 1911 & 1912)

The following pages on the English Wikipedia link to this file (pages on other projects are not listed):

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