Installing a Type 1 font

The process of installing a Type 1 font set is rather convoluted, but it may be separated into a modest set of stages.

The whole process is very well (and thoroughly) described in Philipp Lehman's guide to font installation, which may be found on CTAN.
fontinst.sty
fonts/utilities/fontinst (zip, browse)
Type 1 installation guide
info/Type1fonts/fontinstallationguide/fontinstallationguide.pdf

This question on the Web: http://www.tex.ac.uk/cgi-bin/texfaq2html?label=instt1font