Diamond Calk Horseshoe Company
The Diamond Calk Horseshoe Company of Duluth, Minnesota, USA was founded in 1908 by blacksmith Otto Swanstrom.
Initially manufacturing horseshoes with a special type of
Cooper Tools.[1]
In 1994, the last workers vacated. The building was demolished in 1996.
Gallery
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Early 8" adjustable wrench manufactured by the Diamond Calk Horseshoe Company -
Early 8" adjustable wrench manufactured by the Diamond Calk Horseshoe Company: opposite side showing manufacturers marks -
Diamond Calk Horseshoe CO. 8in adjustable wrench
References
- ISBN 0-7385-1891-3.
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