On Fri, 20 Apr 2018, Ron Natalie wrote:
Drums were usually fixed head, although those
UNIVACers out there will
remember the Fastrand drums which had flying head. Massive units looked
like 6' lengths of sewer pipe covered in iron oxide. It was sort of the
basis of UNIVAC storage units.
Now you have me remembering (always dangerous)... Our DEC Field Circus
gingerbeer mentioned that he had to maintain a drum, whereby the drum
itself slid back and forth, and he used to take the female operators to,
ahem, view it in action...
--
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will
suffer."