George Darwin's tidal abacus

Made:
1892
designer:
George Howard Darwin

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

Large section of George Darwin's tidal abacus

Large section of George Darwin's tidal abacus

Large section of George Darwin's tidal abacus, 1892 (Inv.1925-947)

Measurements:
Overall stand: 520 mm x 660 mm x 30 mm, 5.44 kg
Object Number:
1925-947 Pt1
type:
abacus
Image ©
The Board of Trustees of the Science Museum
Section of 9 rods from George Darwin's tidal abacus

Section of 9 rods from George Darwin's tidal abacus

Section of 9 rods from George Darwin's tidal abacus, 1892

Measurements:
Overall stand: 100 mm x 595 mm x 445 mm, 4 kg
Object Number:
1925-947 Pt2
type:
rod - object genre

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