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This sale is for an industrial-grade electric timer made by Fr.Sauter Basle and is stamped made in Switzerland serial number 59039.The clock motor is made by Hayden Manufacturing Company of Torrington, Connecticut. The housing is cast aluminum with a waterproof gasket surrounding it . It was once owned by New York City. Other markings are NYC - 54 and City of New York number 59039.
The paper sticker on the inside door states it was tested at 2000 Volts for 1 minute. The interior is in excellent condition while the exterior show signs of being exposed to the elements. I have no idea of the original use of this timer, nor its age, however I do remember my father using the timer in the late 1950s to regulate the oil heating system in our house.
I also have no way of testing this device since one of the three attached wires is disconnected from the timer and the connecting wire is very old and cracked in many places(see pictures).
In summary this device is very well-built( it weighs over 4 lbs) and probably still works. If you are an electrician or a collector, rewiring it should be relatively simple.
Please ask questions prior to offerding. Thanks for looking.