This circular slide rule consists of a silver-colored metal dial, 8-1/2" wide, mounted on a silver-colored metal disc. Three oblong holes on the base disc permit the reading of trigonometric scales on ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This white plastic circular rule has ...
Amazon S3 on MSN
Learn the 10 computer rules every user should follow
Tech pro ThioJoe outlines essential computer rules that every user should follow to maintain security and performance.
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