Image: Balance Roberval white
Size of this preview: 800 × 554 pixels. Other resolutions: 320 × 221 pixels | 1,377 × 953 pixels.
Original image (1,377 × 953 pixels, file size: 187 KB, MIME type: image/jpeg)
Description: Roberval Balance (white) made well into the 1970s
Title: Balance Roberval white
Credit: Own work
Author: Martin Kugler
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: https://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes
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