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The United States Post Office first tested three-wheeled motorized vehicles known as mailsters in Miami, Florida, in 1950. A few more years of testing followed before mailsters were put into regular use in 1957, beginning with a cluster of cities in Georgia and Florida. By 1961 some 8,400 mailsters were in use across the country. Unfortunately, the mailsters were prone to a wide variety of problems, both mechanical and practical, and by the end of the 1960's they were being replaced by the now-familiar "box Jeeps."
Library >> Economics >> Transportation and Communications >> Postal Service
This page was last updated on June 01, 2018.