Master Time Clock for checking frequency of, output of GLEEP Reactor: `Pul-syn-etic' electric impulse clock in mahogany case. Made by Gent & Co. Ltd, Faraday Works, Leicester, c.1948. With instruction leaflet 246c
Master Time Clock for checking frequency of, output of GLEEP Reactor: `Pul-syn-etic' electric impulse clock in mahogany case. Made by Gent & Co. Ltd, Faraday Works, Leicester, c.1948. With instruction leaflet 246c
