Michael B. Brutman wrote:
  For copyprotected diskettes I'm using Teledisk,
although I don't
 trust it entirely.  Teledisk is also good for damaged diskettes, 
I stopped trusting TD once I found that it would
not restore 5-1/4" 360k floppies on my machine -
if only I'd found out before archiving 50-odd
of them that way. It seemed OK with the 3-1/2"
floppies, but I'd stopped trusting it by then!
  which the raw binary formats can't handle.  (The
damage looks like
 copy protection.)  The downside to teledisk is the portability ...
 I'll need a DOS machine forever to read the data.  I don't have this
 problem with the raw binary images. 
Exactly. I'd prefer a program that was able
to cope with any MS-DOS floppy and had
a documented "image" format. I'm still
looking, although the DR-DOS DISKCOPY is
probably what I will use once I
start again.
Antonio