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Operation and adjustments of the automatic three wire telephone (1915)

Decker, Benjamin Harrison · leaf 122

An illustration from Operation and adjustments of the automatic three wire telephone, 1915, leaf 122 — Fig. 12, Proposed Loc/c-oui Devise. X n Ioakout posiTioto.Irl^cczn^cr Hook.. QuidSfri^^ 2 - ^ack Hook . 3.- Hin^zd Joint. j^. Lcckoot Hooky, 5. Screw to fir am €. 7 - rmaturtt- Hook Link. 8. H fi^Q ^cfrc, 9. - Lockcujt Coif. n 4 11« seiN^CL 1lwv->oJ bseoc^o^^ -57- more easily for adjustraent.…

Telephone · Theses

Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.

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