Firestone Non-Skid and Other Interesting Treads from the Early 1900s

This is another picture of the Fawick Flyer discussed in a recent post. These Firestone tires with “NON-SKID” embossed in the tread are reproduced today, but these advertisements for the originals were published in 1913:

While looking for information on the original Firestones, I found many early advertisements for different brands of tires with interesting treads. Here are just a few: