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Olof Boecker
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Individual
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Individual
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Publication of GB190522251ApublicationCriticalpatent/GB190522251A/en
22,251. Boecker, O. Oct. 31. Needle-threaders.-A fine wire point c is enclosed by two spring arms a, b. To thread a needle, the thread is laid between these two arms on to the point c. The needle is then passed between the spring arms, and the thread is carried through the eye by the point.
GB190522251D1905-10-311905-10-31Improvements relating to Apparatus for Threading Sewing Needles.
ExpiredGB190522251A
(en)