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1/4" Pipe Flange. (used for 3/8" traveller)
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Description
A record of casting production for pattern number 1227. Pattern sketch on recto. Inscription on recto reads "Dr. No. 110-26".
Related organizations
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A record of casting production for pattern number 1227. Pattern sketch on recto. Inscription on recto reads "Dr. No. 110-26".