I just e-mailed the Boston Globe's Ombudsman. The IBM Selectric Composer is not your mother's office typewriter. It cost as much as a full sized car. It probably cost more than the entire typewriter budget of the Texas National Guard.
You might want to e-mail the Ombudsman, at:
ombud@globe.com
And you needed instruction from IBM-- I went to IBM school to learn its intricacies. Even got diplomas.