The John's graphic is from John's of Pasadena bike shop.
Now long gone, once a very big retailer, Schwinn, and also imported many Italian bikes way way back.
Big Paramount dealer, was one of the dealers that custom spec'd Paramounts frequently.
Sizing, tubing ga. and type, such as round blades on a road bike.
They built wheels for Confente too.

On the downmarket bikes, the graphic had more info. For the "pro" bikes, it was trimmed back.