Apple PowerBook (500 Series) - Manual (Page 66)

Handling floppy disks
125° F (52° C)
50° F (10° C)
Keep disks dry.
Do not use a
pencil or an
eraser on a disk
or disk label. Store disks at
temperatures
between 50° F
and 125° F.
Do not touch the
exposed part of the
disk behind the
metal shutter. Keep disks away
from magnets. Avoid exposing
disks to extremely
hot temperatures.
60 Appendix A