Thread: Circa 1900-05 Live Bird gun
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Unread 07-10-2018, 06:52 PM   #64
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Drew Hause
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Here's the 1927 flyer; by Askins



3 1/2 Dram Bulk Powder = "3 3/4 tons" = 11,480 psi by Burrard's conversion



No clue as to how 3 1/2 Dr. Eq. Bulk became 4.7 tons/sq. inch in 1933
Last edited by Drew Hause; 07-10-2018 at 07:35 PM..
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