This from Danny Nelms for #TBT:

Found a small Stack of the Old Chicago Fire Fighter magazine. Here is an apparatus profile in the autumn 1967 issue profiling all the new “usual”  vehicles joining the department.
vintage Chicago Fire Fighter Magazine Autumn 1967

click to download

vintage Chicago Fire Fighter Magazine Autumn 1967

click to download

vintage Chicago Fire Fighter Magazine Autumn 1967

click to download

new Chicago fire trucks circa 1967

click to download

new Chicago fire trucks circa 1967

click to download

new Chicago fire trucks circa 1967

click to download