To: | "CBQ List" <CBQ@yahoogroups.com> |
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Subject: | [CBQ] Chatts |
From: | "'Rupert & Maureen' gamlenz@ihug.co.nz [CBQ]" <CBQ@yahoogroups.com> |
Date: | Fri, 23 May 2014 11:59:28 +1200 |
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According to a 1900 Committee report to the American Railway Engineering and Maintenance of Way Association's AGM - Chatts are the tailings from lead mills and are about the size of very coarse sand. The lead ore is separated from the quartz rock after being crushed. Chatts are regarded by some of those who have used them as the ideal ballast, easy to tamp, making the renewal of ties cheap; heavy in weight, hence holding the tie in place; and comparatively free from dust. Rupert Gamlen Auckland NZ |
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