Good morning, Terry and Wayne;
Wayne; yes, the Adaptmatic was a precursor to the Adaptall and the subsequent more popular Adaptall-II series. In the late 1960's, Tamron found that they had to redesign the adapters to handle all of the things the camera manufacturers were doing with their lenses. The Adaptall-II series is the result.
Terry and Wayne; another very useful resource for Tamron is
www.adaptall-2.com. There is a lot of information there for Tamron; history, adaptall mounts, SP lenses, regular lenses, and many useful links, including one for the lens hoods for Tamron lenses.
End of Part One of Two Parts