English, c.1900, unsigned but identical to the ones produced by Watson & Sons, 313 High Holborn, London, on heavy lead filled brass base with adjustable column, lens mount with X-Y screw adjustment, iris diaphragm, 28cm tall
Footnote: according to the Watson trade catalogue, these condensers were 'specially arranged for photography, Projection etc..'
Sold for £200
Result plus buyers premium
English, c.1900, unsigned but identical to the ones produced by Watson & Sons, 313 High Holborn, London, on heavy lead filled brass base with adjustable column, lens mount with X-Y screw adjustment, iris diaphragm, 28cm tall
Footnote: according to the Watson trade catalogue, these condensers were 'specially arranged for photography, Projection etc..'
Auction: Fine Scientific and Medical Instruments, 12th May, 2022