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Home > NeedleBar Picture Library Archive > Australian Machines > B > Blackwell Patent - Two Spool

Blackwell's Patent - Over 20 years on

Posted by Claire Sherwell. Almost a quarter of a century later Edwin Orlando Blackwell of Wynyard, Tasmania patented an improvement to his lockstitch machine mechanism using two spools or reels in place of a bobbin under the machine. Australian SM Invention - Australian Two Spool Machine


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