[TUHS] Old troff files (1988-2007)

["Jacobson, Doug W [E CPE] via TUHS" <tuhs@tuhs.org>]

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Folks:

Long story short, I have a unpublished manuscript that a faculty member in my department wrote late 1980's early 2000's.  He did the entire thing in troff, eqn, and pic.
The faculty member is still alive.  A publisher is interested in the manuscript.  I have all of the source files on an old unix machine that still has troff, eqn and pic.  It also has groff.  This issue is that the pic commands are bracketed by .G1 and .G2 not .PS & .PE.  The original machine he would have used would have ran AT&T Sys V on an AT&T 3B20.  Below is one of the files.  Any thoughts on the .G1 .G2?  I can get the files that have only eqn and troff to create postscript, but the .G1/.G2 is not understood by pic.  I tried replacing the .G1/.G2 with .PS/PE and it failed.  I must be missing another program that uses the .G1/2

Thanks

.sp -3.5
.fp 1 Z
.fp 2 XI
.ps 11
.tl ' ' '1-10'
.EQ
delim $$
gsize 11
.EN

.po 0.9i
.vs 15
.G1
frame wid 5.7 ht 6.0 invis
coord x 0.2, 100 y -40, +22 log x
grid left from -30 to +20 by 10 ""
grid left from -40.04 to +19.96 by 10 ""
grid left from -39.96 to +20.04 by 10 ""
grid left from -39 to +22 by 1 ""
grid bot from 0.4 to 40 by *10 ""
grid bot from 1 to 100 by *10 ""
grid bot from 0.2 to 20 by *10 ""
grid bot from 0.3 to 30 by *10 ""
grid bot from 0.5 to 50 by *10 ""
grid bot from 0.6 to 60 by *10 ""
grid bot from 0.7 to 70 by *10 ""
grid bot from 0.8 to 80 by *10 ""
grid bot from 0.9 to 90 by *10 ""
ticks out left from -40 to +20 by 10
ticks out bot from 0.2 to 20 by *10
ticks out bot from 0.4 to 40 by *10
ticks out bot from 1 to 100 by *10
draw solid
  0.2 19.93
  2   19.93
  10  5.97
  100 -34.02
new solid
  0.2  20.07
  2    20.07
  10   6.05
  100  -33.95
new dotted
for i=0.45 to 23 by *1.05 do
{
  w=i*i
  f=200/sqrt(w*w+104*w+400)
  next at i,20*log(f)
}
label left "\u\udB \d\d"
label bot "\(*w,  rad/s"
.G2
.in 2
Fig. 1.4.  Graph of the magnitude in  dB  of  $H(s)~=~200 over{s sup 2~+~12^s~+~20}^,$$~s~=~j^omega$.

Doug Jacobson
University Professor, Dept. Electrical & Computer Engineering
Sunil & Sujata Gaitonde Professorship in Cybersecurity
Director: ISU Center for Cybersecurity Innovation and Outreach
Mail Address: 2520 Osborn Dr, 2215 Coover Hall
Iowa State University
PH: (515) 294-8307  Fax (515) 294-8432
Office: 371 Durham Hall
Center web site: http://www.cyio.iastate.edu/<https://urldefense.com/v3/__http:/www.cyio.iastate.edu/__;!!DZ3fjg!oVZir7OL4VMZHCYBX2CIbHyQTrepCPFkbLklXBKZNSZLWxcUR_aeyEMXUUmjHwkHNQ$>
Personal web site: http://www.dougj.net<https://urldefense.com/v3/__http:/www.dougj.net/__;!!DZ3fjg!oVZir7OL4VMZHCYBX2CIbHyQTrepCPFkbLklXBKZNSZLWxcUR_aeyEMXUUnkTUh6vg$>


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