IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the early 20th century, some ...
The device can draw and measure lines and measure three-dimensional angles. The larger instrument is marked: PRO > RULER TM #43052 (/) SAFE-T PRODUCTS TM, Inc. (/) LaGrange, IL 60525-0692. One of the ...
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