Rare Early 6inch Brass Troughton & Simms 6inch Protractor Scientific Instrument

RARE EARLY ANTIQUE TROUGHTON & SIMMS SILVERED 6INCH PROTRACTOR DATES from about 1880 but it has been put in a different hardwood box that is not original but much later date it is the same box that it was in ehen i bought it 40 years ago.

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