Progress is fine, but it's gone on for too long.
with apologies to Ogden Nash...
Thursday, February 20, 2014
Another job you might want to do: testing aircraft gun turrets (British method)
R. Wallace Clarke.
British Aircraft Armament. Vol 1. RAF Gun Turrets from 1914 to the
. Patrick Stephens Ltd., 1993.
Fraser Nash FN20 rear turret in a testing bay at Yate, from an original painting by Terence Cuneo, OBE, RGI.
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