Uncommon Browning Projection Prism Box
Uncommon Browning Projection Prism Box
Uncommon Browning Projection Prism Box
Uncommon Browning Projection Prism Box
Uncommon Browning Projection Prism Box
Uncommon Browning Projection Prism Box
Uncommon Browning Projection Prism Box
Uncommon Browning Projection Prism Box
Uncommon Browning Projection Prism Box

Uncommon Browning Projection Prism Box

An Uncommon Browning Projection Prism Box, 4th quarter 19th c, used for the demonstration of the spectrum in a classroom or lecture hall. The base is signed, “John Browning, 6 Strand London”.

The darkened cylindrical box is mounted on a bright brass adjustable pillar with platform/stand 20 , tall (note spotted lacquer). The box is fit with two adjustable sliding-door slits. The box may be removed for placement of various types of prisms and optical cells.

An unusual lecture-hall//classroom related light projection prism box in good condition.

Offered by Esoterica Curiosa: Dale Beeks, specialist collector, purveyor & curatorial consultant of historical surveying & scientific instruments. Item #423

Price: $1,100.00