I think I heard somewhere that magnetic drums are
somewhat like core memory,
i.e. they retain their contents when shut off...
Well, Drums are just a spcial kind of disk - it's a
geometrical phenomena - a disk where all tracks have
the same length :=)
Gruss
H.
--
VCF Europa am 29./30. April 2000 in Muenchen
http://www.vintage.org/vcfe
http://www.homecomputer.de/vcfe