Solid tire Mack trucks, building the Empire State

I think I found this photo on the HAMB

Postal delivery vehicles from scooters, Vespas, up in size to Mack trucks

The above 1910, and below 1953, are from Dan at Hemmings http://blog.hemmings.com/

from http://www.jalopyjournal.com/forum/showthread.php?t=428585&page=561