There
are numerous crochet patterns available for use in the public domain.
Known as antique or vintage patterns, it can be disappointing to get a new
crochet pattern only to find that you aren't familiar with the vintage terms
used. Whether it is antique patterns or determining which crochet hook is
best suited for your project, understanding how to adjust modern terms for
vintage and antique crochet patterns is essential. Here is a chart that
will help you convert antique and vintage crochet hooks for their modern day
counterparts. Bold colors symbolize steel hooks while those in brown
symbolize bone, ivory, and wood crochet hooks.