3-Bar, 22-A Magneto Generator for Western Electric Crank Phone Telephone - Works | #253024431
Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] . FIG. 3.—MAGNETO BELL.. FIG. 4. —MAGNETO GENERATOR ASSEMBLED. FIG. 5. —MAGNETO GENERATOR DISSECTED. APPARATUS OF THE