Course materials for MIT 6.031 (c. 1974) scanned

Chuck Guzis cclist at sydex.com
Tue Oct 1 20:28:51 CDT 2019


On 10/1/19 5:22 PM, Paul Koning via cctalk wrote:

>> Both better have backups. Paper tape doesn't do well in fires and floods.
> 
> I remember Mylar punched tape.  That stuff is amazingly strong and waterproof.  I've seen it for paper tapes that were intended to be read thousands of times -- OS boot tapes for example, or the correction data tape for an instrument in my father's lab.
> 
> DECtape is pretty waterproof; there have been reports of reels accidentally being run through the laundry and coming out perfectly readable afterwards.
> 

1/2" Magnetic tape is quite resilient, even when stored improperly (e.g.
full of mold).

--Chuck


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