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<p>[QUOTE=&quot;springfld.arsenal, post: 164513, member: 54&quot;]Someone wondered about materials used in Navy equipment cases, some optical instruments had oak boxes.&nbsp; A great many items, even fragile ones, were issued and stored in steel boxes like this one that just happens to be riding around in the truck this week.&nbsp; Dim:&nbsp; 14x14x6 approx.&nbsp; When you see Morse code messages being exchanged by naval vessels, this lever-activated shutter is what is used.</p><p><br /></p><p><img src="https://springfieldarsenal.files.wordpress.com/2016/07/image17.jpeg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><img src="https://springfieldarsenal.files.wordpress.com/2016/07/image19.jpeg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><img src="https://springfieldarsenal.files.wordpress.com/2016/07/image18.jpeg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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