Primary speculum mirror of 13 1/4-inch diameter

Made:
1840-1850 in Patricroft
maker:
James Hall Nasmyth
Primary speculum mirror of 13 1/4-inch diameter

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Primary speculum mirror of 13 1/4-inch diameter
Science Museum Group
© The Board of Trustees of the Science Museum

Primary speculum mirror of 13 1/4-inch diameter, donated by Lieutent General A de Gorloff who lived at Nasmyth's former home of Hammerfield near Penshurst in Kent.

Details

Category:
Astronomy
Object Number:
1897-13
Materials:
speculum
Measurements:
overall: 30 x 335 mm
type:
components, concave mirrors, metal mirrors and astronomical instruments
credit:
Lieutenant General A de Gorloff

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