Those were readily available accessories for Model-Ts. They would also use them with belt-drive sheaves that would run whole factories.
They were just getting more mileage out of their 1959 tooling. By adding the Tee Bird name and the hash marks that the ‘61 ‘Bird had it was new and fresh for another year.
Louisville taken in 1929, shows the Aetna Oil Service station on Third and Oak Streets. They featured Pennzoil and Benzol-Gas under an attractive canopy.
That's because it's the GM section of the yard. it's in the small back corner. You should see how big the FOMOCO section is.......................