Antique Desk or Travel Barometer by Asprey c.1913

A very good high quality desk or travel aneroid barometer altimeter thermometer compendium by Asprey, London c.1913. Desk or travel barometer having 2⅜" silvered and die struck stepped dial, the outer part with bezel operated altitude ring calibrated in feet with a range from 0 – 8,000ft divided down to 50ft, inner barometric scale calibrated in inches of mercury with a range from 23” – 31” divided down to 1/20th, the inset with standard meteorological terms and “Compensated,” the lower part with semi circular thermometer, the register calibrated in degrees Fahrenheit with a range from 30° – 120°. Signed “Asprey, London.” Blued steel pointer, bevelled glass. Standard Vidie pattern movement driven from a single capsule tensioned on a C spring. Enclosed within a lacquered drum form brass case and presented within a timber framed light brown pigskin covered outer, silver hallmarked hinge. Condition: The subject of a full service, conservation, and calibration under laboratory conditions. The movement working exceptionally well, see performance chart from dynamic test. The dial with slight ageing, otherwise crisp and clean, the thermometer accurate to within ½° (measured at 68°F). The outer leather case in excellent condition, minor marks and some slight staining in places. Comments: A really truly impressive piece projecting great quality and fine aesthetics. A wonderful gift.