The Adding Machine Each component is automotive

Each component is automotive

With its line of automatic telephone exchanges

The President’s Cup iHorn is made from a tin can with a plastic funnel on the top

The Jewel iHorn is an early 1900’s time switch

Its primary focus was on Wireless Telegraph transmission making simple and relatively inexpensive receiver and transmitter sets

The Adding Machine Each component is automotiveThe Adding Machine iHORN is made from an antique American Adding Machine coupled with a fox hunting horn. It was patented in 1912. This lever set non printing manually operated adding machine has an etched steel case painted black. Seven levers move in circular arcs between slots in the case. The case is painted along the edges of the slots with the digits from 0 to 9 (large and in black and white) and 9 to 0 (small and in red). The large digits are