On: Ask HN: What is the oldest computer that you still use for production?

[jacquesm]

The model 100 was in a class of its own. Crazy battery life, a day of continuous use on a bunch of penlights.

Oh, and here is your trophy ;) :

    \  oldest /
     \   hw  /
      \     /
       \   /
       -----
        / \

Do check out the algol 68 reference in this thread though!