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<p>[QUOTE=&quot;springfld.arsenal, post: 4487339, member: 54&quot;]Yes that looks like one.&nbsp; The designers adopted then-common tiny vacuum tubes used in hearing aids and hardened them for shock forces where necessary.&nbsp; The fuzes used either four or five vacuum tubes each.&nbsp; The tubes and all other electronic components were “potted” in beeswax, and after much trial and error, were able to survive firing from a gun.[/QUOTE]</p><p><br /></p>

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