Dec. 6th & 7th 2014 Fine & Decorative Arts Sale (33)
This lot is closed for bidding. Bidding ended on 12/6/2014
This is a very rare No. 19 Sumter "screw top" split shaft. Marked transmitter and marked Sumter receiver. This one has the earlier Sumter transmitter. The patent on this desk stand includes the design for three different versions. Its purpose was to provide the portable telephone with a casing surrounding the central core and enclosing the switching apparatus which could be moved to expose the switches without interfering with the working parts. The preferred design was the split shaft.
Item Dimensions: 10 -1/2" T.