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S| ve “GOVERNMEN pate: September 26, 1947 I have had the three caliber .30 carbine cartridge in connection with the above-entitlied case examined dvises me that the firing pin impressions in these three ¢: ry not bear sufficient microscopic marks for determining whether or not these three specimens were fired in the same weapon or for compariso: with test specimens. Thie is also true of the head of the cartridge case with respect to breech face marks and ejector marks, There are on these three cartridge cases a few extractor marks, however, the marke are not sufficiently distinct to identify these three specimens as having been attrdcted from the same weapon, The marks on one of them are entirely inadequate for comparison and only a few similarities were found between the extractor marks on the other two specimens. There is possibility that the extractor marks on the latter specimens could be identified with those on test cartridge cases fired from the same weapon, pr ¢ Ms | Tite 91 NT 91 1087 Go