Thread: What time period is this shell from?
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Unread 08-28-2016, 08:28 PM   #20
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That July 14, 1903, patent date is on boxes of the New No. 4 primers --



but not on boxes of the older No. 4 primers --



so I'd expect a connection to the New No. 4 Primers. I haven't had any luck in finding a Winchester Patent with that issue date.
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