Todd Protectograph Horn The B & W iHorn

The B & W iHorn is made from a vintage Barker and Williamson Dip Meter

These marketing strategies while inventive and unique

That made the warm soapy water precious

Riley-Klotz Manufacturing Company was located in Newark

In the 1930's the big radio companies all ended in "ola" so Galvin

Todd Protectograph Horn The B & W iHornThe Todd Protectograph iHorn is made from a Todd Protectograph manufactured in the 1930s. The G. W. Todd Company was established in 1899 located in Rochester, New York. By 1916, the company was known as the Todd Protectograph Co. In 1910, they reportedly claimed that 85,000 Protectographs were in use in businesses (e. g. banks and large companies). The devices were meant to prevent unauthorized alteration of business cheques, using an impression made