Notes and Reflections on Books and Media
by Hannah Leitheiser
Turing's Cathedral: The Origins of the Digital Universe
"We discovered that the electrical characteristics of the vacuum tubes were very different from the specifications published for them even when the tubes were new. According to Rosenberg, after further extensive testing and consultation with a major tube manufacturers, whose response was 'no one else has ever complained about their product and they had enough customers without us, thank you very much', Von Neuman was informed that there were no reliable tubes and no reliable resistors." - George Dyson , Turing's Cathedral: The Origins of the Digital Universe (2012)
It was a simpler era for tech support.