The inscriptions on the face of this aneroid barometer read “Compensated” and “James W. Queen & Co. / PHILADELPHIA.” The pressure scale around the circumference extends from 18 to 31 inches of mercury. The altitude scale extends to 15,000 feet elevation and is read by vernier and microscope to single feet. The diameter is about 3.5 inches. Although this instrument was sold by Queen, it was was probably made in London, perhaps by Short & Mason. New, it would have sold for $60.
Ref.: James W. Queen & Co., Priced and Illustrated Catalogue of Meteorological Instruments (Philadelphia, 1882), p. 93.
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