Moon dial in French and Ottoman Turkish language. Most lilkely made by J. Verdoux, Constantinople in early 1900s. Made of nickel plated brass with original beveled edge crystal. A highly collectible scientific item for your collection! Condition: original as is on photos; working condition. Please, be sure to view [...]
COMPENSATED ANEROID BAROMETER BY K&E MADE FOR THE ENGLISH MARKET. Compensated Aneroid Barometer Marked as made in England but Inscribed Keuffel & Esser Co. It has an adjustment screw in back. It appears to work when the altitude is varied. The barometer scale goes from 20-31 and [...]
COMPENSATED ANEROID BAROMETER BY K&E MADE FOR THE ENGLISH MARKET. Compensated Aneroid Barometer Marked as made in England but Inscribed Keuffel & Esser Co. It has an adjustment screw in back. It appears to work when the altitude is varied. The barometer scale goes from [...]
COMPENSATED ANEROID BAROMETER BY K&E MADE FOR THE ENGLISH MARKET. Compensated Aneroid Barometer Marked as made in England but Inscribed Keuffel & Esser Co. It has an adjustment screw in back. It appears to work when the altitude is varied. The barometer scale goes from 20-31 and the [...]
COMPENSATED ANEROID BAROMETER BY K&E MADE FOR THE ENGLISH MARKET. Compensated Aneroid Barometer Marked as made in England but Inscribed Keuffel & Esser Co. It has an adjustment screw in back. It appears to work when the altitude is varied. The barometer scale goes from 20-31 and the rotating outer scale reads from 0 [...]