Two Davis Vertical Feeds (Davis NVF ~1910-1915) that use 15x1 standard needles. Top machine's tension dial is different from the bottom machine's tension dial. Both use bullet shuttles.
Davis NVF 3764999
[ATTACH=CONFIG]212637[/ATTACH]
Davis NVF 2746650
[ATTACH=CONFIG]212638[/ATTACH]
Attachments, bobbin shuttle, and foot
[ATTACH=CONFIG]212639[/ATTACH]