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<p>[QUOTE=&quot;springfld.arsenal, post: 416199, member: 54&quot;]Have a few, either in a newer cardboard tubes or in telescoping turned hardwood tubes.&nbsp; The cardboard boxed ones are in those containers only because the wood tube boxes disintegrated over time.&nbsp; These came from a NYC ship chandler who in turn bought them at a surplus auction at the New York Navy Yard, I’m guessing in 1950’s.&nbsp; Patent for the Tagliabue Hysrometer is Online.&nbsp; The salinometer is a particular type of that hydrometer, weighted and calibrated for sea water at a certain temperature.&nbsp; I also have some tall thin brass beakers in which the salinometers were used.</p><p><br /></p><p>[ATTACH=full]145197[/ATTACH] [ATTACH=full]145198[/ATTACH]</p><p><br /></p><p><a href="https://patents.google.com/patent/US58913" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://patents.google.com/patent/US58913" rel="nofollow">https://patents.google.com/patent/US58913</a></p><p><br /></p><p>I’m not sure how best to market these, think I tried long ago on Eboo with little success.[/QUOTE]</p><p><br /></p>

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