https://www.thehenryford.org/collections/explore/artifact/255925
1929 Mack Model BB Tank Truck and Tank Trailer, "Dairymen's League," July 1929
Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, in 1905 and adopted the name Mack Trucks in 1922....
truck and trailerdairymen s league