Old Timers vs. Young Bucks

[Baseball Rarities]

Originally Posted by sycks22

Although a lack of precision instruments prevented accurate measurement of his fastball, in 1917, a Bridgeport, Connecticut munitions laboratory recorded Johnson's fastball at 134 feet per second, which is equal to 91.36 miles per hour (147.03 km/h),

Thanks for that info, but I would not put much credence in those munition tests. In the before-mentioned documentary Fastball, they mention one of these tests that only measured Johnson's fastball at 122 feet per second or 83 miles per hour.