Mellotronists

.....but this is funny however you translate it. herewith a link to
bluebay's site- they're a belgian gear broker of some sort, & the
site lists their collection of vintage keyboards, including a 400:

http://www.bluebay.be/index2.html

& so it occurred to me to wonder if anyone had actually tried an
alternative approach to driving their capstan.....

duncan/400nr1098 (now, where did I leave the keys....?)