{language} english
{country} USA
{class} Magazine
{bibdat} 1915, No. 9 - 1923, No. 5
Chicago Ill.
{note} -
{formerly} Technical World
{sources} Old Magazines
{sample issues} 1915, No. 12 / 1916, No. 1 / 1923, No. 4
{cover} Dan Sayre Groesbeck (1879 - 1950) et al..
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