Synchronous mains electric clock of the non self-starting type by Ferranti with 24 hour alarm and illuminated dial c.1936 Synchronous mains electric clock circa 1936
Synchronous motor projector clock, type 'Timebeam Classic', by 'By Design (Oxford) Ltd', c.1998. With packaging and instructions. Consists of a 50Hz synchronous motor clock of which the dial is projected onto a ceiling or wall using a tungsten halogen lamp. The dial design was specially prepared for the 'It's About Time' exhibition at the Science Museum. Serial number 004910. Synchronous motor projector clock circa 1998