Russell, et al, I don't remember what the teletype machine was that we were using=20 when I was studying BASIC in HS in 1973. It had a rotating ball, a=20 typewriter keyboard, a paper punch-reader all in one. It weighed about=20 75 pounds. Funny how I can remember those details but not the brand or=20 model. Do any of you remember cable lacing? I learned how to do it when=20 I was in the AF. I still use it today. Thanks, rich! On 3/16/2015 7:23 AM, RussellMc wrote: > On 16 March 2015 at 16:21, Harold Hallikainen > wrote: > >> The first ink jet printer I ever saw was an Olivetti that printed one do= t >> at a time. The print head moved back and forth across the paper really >> fast. > > Somebody - a Japanese company I think - the name "Juki" suggests itself = - > made a "dot matrix" printer that printed a dot at a time. From memory it > may have used a vertically long hammer and a fluted rotating drum behind > the paper. The hammer struck (or was meant to) in the column where the do= t > belonged and the current flute position behind the paper provided an impa= ct > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .