The Model B is similar to the Model A, which was introduced in
1948, and both were in use through the 1950s, as should be obvious from
the styling. It's just a boring, high quality electric
typewriter. I haven't fired it up in several years, but it worked
pretty well when I got it.
IBM Executive Model 41 Typewriter
This is the 1960s version of the IBM typebar machines. The
Executive has proportional spacing, note the split spacebar for spacing
of two or thre "microspaces". This example is from 1964, and
works sort of with some effort, as the power roller is well worn. See the insides.
IBM Model D Electric Typewriter
This machine is from 1970, and has typical 1970s features, such as the
Selectric styled keyboard. It offers half spacing (by holding
down one of the buttons above the keyboard), and typematic action on
the X, underline, dash, space, backspace, and return keys. This
one is in good condition, working well (mostly), and the bonus is that
the operating instructions were included with it.
