Large section of George Darwin's tidal abacus
Large section of George Darwin's tidal abacus, 1892 (Inv.1925-947)
- Object Number:
- 1925-947 Pt1
- type:
- abacus
George Darwin's tidal abacus, 1892, see also 1925-948 and 1925-949
Details
- Category:
- Geophysics
- Object Number:
- 1925-947
- type:
- abacus
- credit:
- National Physical Laboratory.
Parts
