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Unread 07-07-2013, 12:08 PM   #12
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Quote:
Originally Posted by Bruce Day View Post
Velocity is provided on the following table so while drams equivalent is stated only for DuPont smokeless, it can be roughly determined for other powders. Note the statement about where velocity is measured.
Anyone know how velocity was measured "over a 100 foot range" back then, radar guns, electronic chronographs did not exist?
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