Magnavox M4 An adding machine is a

An adding machine is a perfect gift for a mother or accountant

it offered a range of naval telephone loudspeakers as well as telephone switchboard

and a celluloid Pyralin bell which appears like the petals of a flower

Adjusted for inflation

The flash housing serves as the bell

Magnavox M4 An adding machine is aThe Magnavox M 4 iHorn is made from a Magnavox Radio Horn which was driven by its M 4 driver. It was made in 1924 and reflects its roaring age. It patina is unparalleled. In 1910 Magnavox started as "Commercial Wireless & Development Company" at Napa, California. In 1915, Magnavox put a horn to their "telephone receiver with moving coil system" and then used it as a "Fog Horn" for the local baseball park. It was called the Magna Vox which was latin