The inscriptions on this celluloid crochet hook read “‘BOYE’ G SAME AS SIZE 5” and “NON INFLAMMABLE / PAT 2024794 U.S.A.”
Ref: Gustav A. Carlson, “Crochet Hook,” U.S. Patent 2,024,794 (Dec. 17, 1935), assigned to The Boye Needle Company of Chicago.
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