Photograph of lunar crater model, 1850-1871.

One of 15 assorted photographs of Nasmyth's crater models illuminated at a low angle.

'Examples of Rapid Formations', 31 July 1865.

Model of lunar craters centred on the Apennine Mountains, 1850-1871.

Lunar crater model 'Copernicus', 1850-1871.

Lunar crater model, 1850-1871.

Lunar crater model 'Wargentin', 1850-1871.

Nasmyth's reflecting telescope and two models of the lunar surface, 1866.

Lunar crater model by James Nasmyth, 1850-1871.

Model of an ellipsoid, c 1935.

Photograph of lunar craters, 10 June 1858.

Model of a Half-Twist Surface by Alexander Crum Brown, c 1900.