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19thC Magic Lantern Slide – John Browning’s Spectroscope.

Short Description

A quite striking wooden framed magic lantern slide, hand coloured, of a complex spectroscope by leading maker John Browning of London. The model depicted named (and labelled Gassiot’s Spectroscope).

The model was made to order, designed for Physicists. The first design went to John Peter Gassiot a prominent Fellow of the Royal society. Refer John Browning’s book “How to Work with the Spectroscope” 1878, page 57.

Likely, manufactured by the McIntosh Battery & Optical Company Chicago circa 1890. The company was formed in 1879 and in the 1890’s changed its name to the McIntosh Electrical Co to concentrate in radio devices. No makers mark, but this is their style, quality and the subject label consistent with theirs.

The wooden slide is 28cm by 10cm with the circular hand coloured slide 8 cm in diameter. The condition of the colouring and slide generally is excellent.

Rare Scientific Instrument Slide by Leading Maker

Price: $120.00

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