I'm not sure of the date of manufacture for this Wallace & Tiernan FA-140 barometer, I suspect the 1960s. Newer instruments have a different Wallace & Tiernan logo. Also W&T became part of Pennwalt Corporation in 1969, and later instruments have the Pennwalt logo. It's a precision barometer and is very accurate. It has a 5 inch dial.  It can't be set to sea level pressure because the pressure adjustment screw does not have enough range for my 720 foot elevation above sea level.

I have never seen another example of a FA-140 or found any information on it. If anyone has information on this barometer please email me.

From 1947, US Patent 2,431,098 by Wallace & Tiernan for the mechanical movement that appears to be used in this barometer is available below (6 pages):