This document discusses astrolabes as early personal computers. It provides background on their use in Islamic societies and lists two websites with further information on astrolabes.

1. Astrolabes
The First Personal Computer
A talk to the
Loughton Astronomical Society on 15th
September 2005
By Michael Franks

18. Islamic Uses of the astrolabe

47. Sites on the Internet

49. http://www.burillier-uranie.com/pages/home/home_astrolabes.htm
http://www.puzzlering.net/astrolabe.html