Thorp replica gratings on glass

Two Thorp replica gratings on glass made May 1907 for W.J.S

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Two Thorp replica gratings on glass made May 1907 for W.J.S
Science Museum Group
© The Board of Trustees of the Science Museum

Two Thorp replica gratings on glass made May 1907 for W.J.S. Lockyer from original Rutherfurd grating owned by F.K.McClean, in wooden boxes

Details

Category:
Astronomy
Object Number:
1987-1218
Materials:
glass, plastic, wood and complete
Measurements:
25 x 110 x 110 mm
type:
diffraction grating - reflection
credit:
Christie's South Kensington Limited