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International media Interoperability Framework
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.
- slide rule, KEUFFEL & ESSER 4088-3 - POLYPHASE DUPLEX
- slide rule, KEUFFEL & ESSER 4088-3 - POLYPHASE DUPLEX
- slide rule, KEUFFEL & ESSER 4088-3 - POLYPHASE DUPLEX