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Ivory sector by W. Elliott & Sonst
- maker:
- W Elliott and Sons
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Ivory sector by W. Elliott & Sonst, 56 Strand, London
Details
- Category:
- Mathematics
- Object Number:
- 1985-563
- type:
- proportion drawing instruments and sectors
- credit:
- Hill, W.P.J.
Ivory sector by W. Elliott & Sonst, 56 Strand, London