For the ultimate referent of "Maltese Cross Movement", see https://en.wikipedia.org/wiki/Geneva_drive https://en.wikipedia.org/wiki/Geneva_drive For the proxim

For the ultimate referent of "Maltese Cross Movement", see https://en.wikipedia.org/wiki/Geneva_drive https://en.wikipedia.org/wiki/Geneva_drive For the proximal referent: http://elumiere.net/especiales/hancox/dewdneybroomer_en.php http://elumiere.net/especiales/hancox/dewdneybroomer_en.php