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Museum and University Data, Program and Information Exchange 
A GUIDE TO COMMERCIAL TIME-SHARING COMPUTING 
Time-Sharing Enterprises, Inc., 3401 Market Street, Phila¬ 
delphia PA 19104, has just published a "Time-Sharing Phone 
Book," which lists all the known commercial contractors offering 
time-sharing services in the United States. The list is impres¬ 
sive, but even more so is the present coverage and availability 
of time-sharing. The only state in the union with no facilities 
is Alaska. The introduction states, "Today, there is not a tele¬ 
phone in the continental United States which cannot access at 
least seven time-sharing companies without a toll charge...This 
book lists 55 companies which may be reached from New York City 
without long distance charges...18 are listed for Jackson, Mis¬ 
sissippi ... 11 for Casper, Wyoming... and 35 for the San Francis¬ 
co Bay Area." There are now 1000 local data dial-up points in 
the U.S. Several companies have covered the contiguous states 
with IN-WATS servicing, so that anyone anywhere can access the 
computer. A brief list of those installations which are avail¬ 
able from anywhere in the nation follows below. Please look 
the list over, and if you are a subscriber to any one of them, 
write to MUDPIE with details about the kind of service, storage, 
etc., you have. It seems possible that several of us with mutu¬ 
al interests in the potential of sharing programs, data and in¬ 
formation could get a network off the ground simply by immediate¬ 
ly contracting with a mutually acceptable contractor. Let us 
at least see if there is sufficient interest to respond to this 
potential at this time. 
If you are not currently contracting for time sharing ser¬ 
vices and would like information about phone numbers in your 
area, the book is available for $10.00 at the address given above. 
If any of you simply want preliminary information about what 
is possible in your area, I would be glad to check it out in 
my copy and give you a starting point, at least.--JAP. 
Services are offered throughout the contiguous United States 
by: 
Computer Complex, Inc., 6400 Southwest Freeway, Suite 150, 
Houston, TX 77036. 
Concap Computing Systems, 303 Hegenberger Road, Oakland, 
CA 94621. 
General Electric Company, Computer Service Division, 7735 
Old Georgetown Rd., Bethesda, MD 20014. 
Megasystems, Inc., 460 12th Ave,, New York, N Y 10018. 
SCI—TEK, Inc., 1707 Gilpin Ave., Wilmington, DE 19800. 
Tymshare, Inc., 525 University Ave., Palo Alto, CA 9430L^.{‘ , ’ 
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