insider.si.edu

Triangular Scale Signed W. Metcalf

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. On one face this 12" steel triangular ...
insider.si.edu

Patent Model for Triangular Drafting Scale Invented by Josiah Lyman

CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF ...