Difference between revisions of "Operating air"

Latest revision as of 00:15, 25 February 2009

3-2-145

The air supply used to actuate the device which modulates the sounding air.

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

Revision as of 12:00, 15 February 2009 (view source) Oferiks (talk \| contribs)	Latest revision as of 00:15, 25 February 2009 (view source) Oferiks (talk \| contribs) m (1 revision)
(No difference)