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Georgian Circumferentor Graphometer In Mahogany Box Surveyor Surveying

Georgian Circumferentor Graphometer In Mahogany Box Surveyor Surveying Other Antique Science Equip photo   Category : Science & Medicine (Pre-1930) > Scientific Instruments > Other Antique Science Equip
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Georgian Circumferentor Graphometer In Mahogany Box Surveyor Surveying Other Antique Science Equip photo 1Georgian Circumferentor Graphometer In Mahogany Box Surveyor Surveying Other Antique Science Equip photo 2Georgian Circumferentor Graphometer In Mahogany Box Surveyor Surveying Other Antique Science Equip photo 3Georgian Circumferentor Graphometer In Mahogany Box Surveyor Surveying Other Antique Science Equip photo 4
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Georgian Circumferentor Graphometer In Mahogany Box Surveyor Surveying Other Antique Science Equip photo 9

    

Uploaded by ath1on on Jun 5, 2017
        
Known Information
Category : Science & Medicine (Pre-1930) > Scientific Instruments > Other Antique Science EquipItem Id: 190948
Type: Scientific InstrumentsPeriod: 1800 to 1900
Sub-Type: Instruments
More info
There is a vernier scale for taking even finer measurements in 1/10ths of a degree!
Box size is just under 6 x 6 inches x 2 inches
By the early 19th century, Europeans preferred theodolites to circumferentors
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