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Details
Crookes Pocket spectroscope
John Browning, London; comprising three assembling lacquered-brass tubes, one signed John Browning, 63 Strand, London, with screw adjustment, in maker's fitted mahogany box
John Browning, London; comprising three assembling lacquered-brass tubes, one signed John Browning, 63 Strand, London, with screw adjustment, in maker's fitted mahogany box
Provenance
Ex. Lacock Abbey. From Miss Matilda Talbot to H. Lambert in 1921.