There is a very long history of the Zon-O-Phone online. but basically the inventor thought he was getting a raw deal, made his own company, lawsuits, etc etc! Check out the whole story here:
https://www.intertique.com/TheZon-o-phone.html
This is a scan and reproduction of the logo that was attached to the machine, from the early 1900s.
| S | M | L | XL | 2XL | 3XL | |
|---|---|---|---|---|---|---|
| Width, in | 17.99 | 20.00 | 22.01 | 24.02 | 25.98 | 27.99 |
| Length, in | 27.99 | 29.02 | 30.00 | 31.02 | 32.01 | 32.99 |
| Sleeve length, in | 8.90 | 9.17 | 9.45 | 9.72 | 10.00 | 10.39 |