Wallace & Tiernan Aneroid Barometer

Description
This is marked “Wallace & Tiernan / Pennwalt / Belleville, New Jersey” and “Model FA 185300.” The scale reads from 13.0 to 21.0 inches of mercury, divided to 0.02 inches and numbered each 0.1 inch. A second scale reads from 21.0 to 30.5 millibars. There is a leather carrying case.
Charles Wallace and Martin Tiernan began in business in New York City in 1913, trading as Wallace & Tiernan. Their first product, the very successful chlorinator, was designed to disinfect water supplies with chlorine gas. The firm moved to Belleville, N.J., in 1921. It began making precision pressure instruments in the 1930s. A merger in 1969 led to the establishment of the Pennwalt Corp.
Location
Currently not on view
Object Name
barometer, aneroid
date made
1969-2000
maker
Wallace & Tiernan
Measurements
overall: 12.5 cm x 22 cm; 4 29/32 in x 8 21/32 in
place made
United States: New Jersey, Belleville
ID Number
2000.0257.13
catalog number
2000.0257.13
accession number
2000.0257
subject
Measuring & Mapping
Barometers
See more items in
Medicine and Science: Physical Sciences
Barometers
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
National Imagery and Mapping Agency

Visitor Comments

2/27/2014 1:28:06 PM
Nancy Tiernan
I have a Wallace & Tiernan Barometer Model No. FA 185260 serial no. AC 10920 in leather case with strap.
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