QF 3 inch 20 cwt 1914:TIME_TO_FT_(M)_AT_25°_(SECONDS):8.3####QF 3 inch 20 cwt 1914:SHELL_(LB):12.5####QF 3 inch 20 cwt 1914:MAX._HEIGHT_(FT):23500
Where the height range is higher than 20000.0 and the shell weight is 12.5, 8.3 is the time to feet ratio at 25 degrees.