insider.si.edu

Charles Bruning 2710 Chain Scale with Drafting Machine Mounts

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 12" beveled aluminum rule is ...
insider.si.edu

Pair of Keuffel & Esser 1375P-20 Chain Scales with Drafting Machine Mounts

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. These beveled boxwood rules are faced ...