Magnetic Data Storage, Bits per Dollar (Constant
2000 Dollars), Logarithmic Plot, pg 76
Sources:
Seagate, “Products,” http://www.seagate.com/cda/products/discsales/index;
Byte advertisements, 1977–1998; PC Computing advertisements,March
1999; Editors of Time-Life Books, Understanding Computers:
Memory and Storage, rev. ed. (New York:Warner Books, 1990);
“Historical Notes about the Cost of Hard Drive Storage
Space,” http://www.alts.net/ns1625/winchest.html;
“IBM 305 RAMAC Computer with Disk Drive,” http://www.cedmagic.com/history/ibm-305-ramac.html;
John C. McCallum,“Disk Drive Prices (1955–2004),”
http://www.jcmit.com/diskprice.htm.