Porter's magnetic sundial

Porter's magnetic sundial, by Samuel Porter 1824. 5cm diam x 4cm

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Porter's magnetic sundial, by Samuel Porter 1824. 5cm diam x 4cm
Science Museum Group
© The Board of Trustees of the Science Museum

Porter's magnetic sundial, by Samuel Porter 1824. 5cm diam x 4cm

Details

Category:
Terrestrial Magnetism
Object Number:
1986-1271
type:
sundial