> AT&T introduced the Teletype Model 40 in 1973, a CRT terminal with an 80×24 display. The Model 40 was a nice machine. I remember it because the printer unit

> AT&T introduced the Teletype Model 40 in 1973, a CRT terminal with an 80×24 display. The Model 40 was a nice machine. I remember it because the printer unit reused the type pawls from the Model 28 in a rubber belt that ran the full width of the paper (80 columns, of course). So it was a chain printer without the chain, which meant it was somewhat quiet when printing.