Image: Casio EF-518
Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 1,024 × 768 pixels.
Original image (1,024 × 768 pixels, file size: 459 KB, MIME type: image/png)
Description: Hand watch with slide rule.
Title: Casio EF-518
Credit: Own work
Author: Mchl
Permission: Public domain (see below)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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