Norrenberg Polariscope by Secretan
The instrument is signed in script "Secretan a Paris". Fixtures include a 3" mirror set in the base, a 1 1/4" condensing lens, a diagonal polarizing glass plate with degree wheel and pointer, and a rotating, gimballed stage with glass specimen plate. The analyzer prism or stacked glass plate is not present. The 6" x 6" wood base has an accessory drawer. Except for the missing analizer, the instrument is in good condition. The brass has lost much of its lacquer and has not been cleaned.
The base with drawer and the glass plate polarizer.
Side view of the instrument.
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