A 1900 Magneto telephone, featuring an integrated magneto driven by the handle on the right. The legs of this instrument are actually the permanent magnets for the magneto. F Stock Photo - Alamy
Western Electric 22A 3 bar magneto for 317 wood wall phones - Old Phone Shop Store
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VINTAGE TELEPHONE MAGNETO 5 BAR VOLTAGE PRODUCER INDUSTRIAL DECOR PAT. 1894 | #1868201982
Western Electric 317 wood wall telephone magneto 5 bar magneto 43A | Old Phone Shop