Traveller Flange for 3/8" Traveller
Description
A record of casting production for pattern number 10581. Pattern sketch on recto. Inscription on recto reads "81-109". See verso. Inscription on verso under "Sent To" indicates "Grinnell Co" of Providence, RI, and "General Alloy Co" of Boston, MA.
Related organizations
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Traveller Flange for 3/8" traveller
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