Barometer
English, 18th Century
Barometer carried by Dr. John Jeffries on the first ascent across the English Channel on January 7, 1785.
Gift of Dr. James Howard Means
A19630027000
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
18th Century
United States of America
INSTRUMENTS-Flight Management
Jones and Son Ltd.
Wood frame barometer with brass number scale, large bulb on bottom; carried by Dr. John Jeffries on the first crossing of the English Channel by balloon.
3-D: 91.4 × 14 × 7.6cm, 1.4kg (3 ft. × 5 1/2 in. × 3 in., 3lb.)
HAZMAT: Mercury
Wood
Glass
Copper Alloy (Brass)
A19630027000
Gift of Dr. James Howard Means
National Air and Space Museum
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