Image: Mechanical calculators Keyboards
Size of this preview: 534 × 599 pixels. Other resolutions: 214 × 240 pixels | 779 × 874 pixels.
Original image (779 × 874 pixels, file size: 230 KB, MIME type: image/png)
Description: A collage I made of various Mechanical calculator keyboards. These pictures of my calculators were taken for me by Steve Behr and Sarah Robinson.
Title: Mechanical calculators Keyboards
Credit: Own work
Author: Ezrdr
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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