Bethlehem Steel Company. Range table for 3" gun, L-50 : based on the following data, intial velocity = 2700 f.s., weight of projectile = 13 lbs., weight of air = 526.98 grains per cu. ft., corresponding to barometer = 29,528 in., thermometer = 59 ̊F., saturation = 50%, angle of jump = ± 0, form-coefficient = 1.0 : calculated from the ballistic table of ingalls.

Range table for 3" gun, L-50 : based on the following data, intial velocity = 2700 f.s., weight of projectile = 13 lbs., weight of air = 526.98 grains per cu. ft., corresponding to barometer = 29,528 in., thermometer = 59 ̊F., saturation = 50%, angle of jump = ± 0, form-coefficient = 1.0 : calculated from the ballistic table of ingalls.