"Special" Rectilinear Lens No. 27900 in Rigid Setting

"Special" Rectilinear Lens No. 27900 in Rigid Setting

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"Special" rectilinear lens (patent) No. 27900 in rigid setting, marked S.P.O. 295, 126A & 58A. Bought for use in Solar Physics Observatory, South Kensington, where it remained until 1912.

Details

Category:
Photographic Technology
Object Number:
1879-1/1
Materials:
glass and brass (copper, zinc alloy)
Measurements:
overall: 361 mm 212 mm, 7.6 kg
type:
camera lens