Have an old automobile book, "Audels Answers" from 1913 and there is a chapter on motorcycles.
I think if I did it right you can view those pages with this link to Drop Box:
https://www.dropbox.com/sh/sfyr534ltbcuqdt/AADOWISCTr90XADlcF8ulIpya?dl=0
I think if I did it right you can view those pages with this link to Drop Box:
https://www.dropbox.com/sh/sfyr534ltbcuqdt/AADOWISCTr90XADlcF8ulIpya?dl=0