Image: Faber Castell 6 inch slide rule
Size of this preview: 800 × 581 pixels. Other resolutions: 320 × 232 pixels | 1,831 × 1,330 pixels.
Original image (1,831 × 1,330 pixels, file size: 2.62 MB, MIME type: image/jpeg)
Description: Faber Castell 6 inch slide rule with case
Title: Faber Castell 6 inch slide rule
Credit: Own work
Author: Gisling
Usage Terms: Creative Commons Attribution 3.0
License: CC BY 3.0
License Link: http://creativecommons.org/licenses/by/3.0
Attribution Required?: Yes
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