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Gregory & Co. Pocket Altimeter barometer | Compass Library

W. Gregory & Co. Pocket Altimeter Barometer c.1900

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A late Victorian pocket altimeter barometer, dating from c.1893-1904. It would have been used by explorers, mountaineers, balloonists, or travellers. The dial is inscribed with the retailer's name: 'Gregory & Co, 51 Strand, London'. William Gregory was a notable military photographer and optician who worked from this address from 1893 until his death in 1904. The company continued in business there as Gregory & Seeley until the 1920s. As Gregory died in 1904, it is reasonable to assume that the barometer was made around the turn of the century, probably by one of the best makers, such as Francis Barker. Barker was a prolific maker of pocket barometers from the Victorian era through to the early 20th century. Almost all of Barker's barometers were supplied unsigned to the retail trade, with the retailer often adding their own details to the dial. The dial is calibrated from zero to 5000 feet, with additional 'Rain', 'Change', and 'Fair' markings. The barometer has a brass case, blued needle, rotating bezel operated by turning the crown, and an adjustment screw on the rear.

Condition

The barometer is in good condition and full working order, and passes the plastic bag pressure test. The brass case is in good condition, with some wear to the original lacquered finish. The bevelled glass is in good condition, with a small, stable, hairline crack to the underside of the glass at 4 o'clock. The dial and needle are in good condition.

Dimensions : 45mm diameter (70mm inc. loop)