21st Sep, 2017 12:00
Fine Instruments of Science & Medicine
Large Double Prism Spectroscope
by John Browning, double prism model with lacquered brass telescope and collimator, lacquered base with chasing, scale reading to one arc minute by vernier, signed 'John Browning London', in mahogany case
Sold for £336
Result including buyers premium
by John Browning, double prism model with lacquered brass telescope and collimator, lacquered base with chasing, scale reading to one arc minute by vernier, signed 'John Browning London', in mahogany case
Auction: Fine Instruments of Science & Medicine, 21st Sep, 2017
