4 Images

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

Display Status

This object is on display in Boeing Milestones of Flight Hall at the National Air and Space Museum in Washington, DC.

Boeing Milestones of Flight Hall

Object Details

Date

18th Century

Country of Origin

United States of America

Type

INSTRUMENTS-Flight Management

Manufacturer

Jones and Son Ltd.

Physical Description

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.

Dimensions

3-D: 91.4 × 14 × 7.6cm, 1.4kg (3 ft. × 5 1/2 in. × 3 in., 3lb.)

Materials

HAZMAT: Mercury
Wood
Glass
Copper Alloy (Brass)

Inventory Number

A19630027000

Credit Line

Gift of Dr. James Howard Means

Data Source

National Air and Space Museum

Restrictions & Rights

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