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 steel semicircular protractor is ...
MESSRS. E. R. WATTS & SON, LTD., 123 Camberwell Road, London, S.E.5, have designed and introduced a new type of bevel gauge which should prove a most valuable tool in the engineering workshop for the ...
THERE are several features of this new protractor that make it most acceptable. Made of ivorine encasing a metal reinforcement, it is strong and rigid and the scales and other markings stand out ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. According to the accession record, ...
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