diff --git a/handbook/website-history.html b/handbook/website-history.html
index 987808e0d..c4c66b442 100644
--- a/handbook/website-history.html
+++ b/handbook/website-history.html
@@ -55,6 +55,11 @@ intelligent loop closure processing. Julian Todd's Java program "Tunnel" facilit
 production of attractive, computerized passage sketches from Survex centerline data and scanned 
 hand-drawn notes. 
 A <a href="survexhistory96.htm">history of survex</a> article covering the period 1988-1996 was published in Cambridge Underground 1996. 
+<p>Before Survex, <a href="../years/1990/svy2.htm">in 1990 we used Sean Kelly's Surveyor '88</a>, written for the Queen Mary 
+College Belize Expedition, and in the 1980s we used Andy Waddington's <a href="/expofiles/documents/fortran-su-programs">SU 
+5.13C</a>, a fortran programme on the IBM mainframe at the university (and, probably, at the UK Atomic Energy Establishment 
+at Windscale). The routines to produce <a href="/expofiles/documents/fortran-su-programs/SURVEY.SUPLOT.f">graphical output on 
+a pen-plotter</a> were ported to the University Computing Service by Philip Sargent in 1984. (Over Christmas 1983, the university mainframe had its <a href="http://www.computinghistory.org.uk/det/5622/University-of-Cambridge-Computing-Service-November-1983-Newsletter-107/">RAM doubled: from 16 to 32 MB</a>.)
 
 <h3>Initial cave data management</h3>
 <p>Along with centrelines and sketches, descriptions of caves were also affected by improvements