1917 Harley-Davidson military courier motorcycle.
https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...149#post138296
https://www.homemadetools.net/forum/...077#post145199
https://www.homemadetools.net/forum/...514#post166592
https://www.homemadetools.net/forum/...321#post154301
https://www.homemadetools.net/forum/...666#post190020
