Standardgrößen

Standard-Kilogramm (Nachbildung)

(CC) http://commons.wikimedia.org/wiki/File:MassStandards_024.jpg
This image is in the public domain because it is a work of the United States Federal Government, specifically an employee of the
National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

Standard-Meter (1889)

(CC) http://commons.wikimedia.org/wiki/File:US_National_Length_Meter.JPG
This image or file is a work of a United States Department of Commerce employee, taken or made as part of that person's official duties.
As a work of the U.S. federal government, the image is in the public domain.

Objektive Messung: Herunterladen [docx] [402 KB]

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