Movement with Telechron Type B-13 Synchronous Rotor

Movement with Telechron Type B-13 Synchronous Rotor

Shown here is a movement with the Telechron type B-13 synchronous rotor and gears from the Gold Room clock inside Harvard University’s Adams House. B-13 rotors were most commonly used in striking and chime clocks. The B-13 rotor’s output shaft rotates at 1 RPM. Because this rotor has 4 watts, the torque is approximately double that of the B-2. Along with other type B rotors, the B-13 rotor is more compact than the previous type A rotors. This being the last version of the type B rotors, it has aluminum housing.