LIKE slide-rules,steam engines and carbon paper, the telex machine, once ubiquitous andindispensable, has vanished from sight.

就像计算尺、蒸汽机和复写纸，曾经无处不见的、不可或缺的电传机已经从我们的视野里消失了。

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"We did all of this incredibly complicated work with slide rules, without microprocessors, without solid state electronics," he says.

“我们是使用计算尺来完成这些复杂的，不可思议的工作，没有显微镜，没有固体电子技术，”他说道。

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Its own engineers had taken out the slide rules, and they were deeply skeptical of the mission. (Laughter.)

(笑声)该局的工程师们已将计算尺收了起来，他们对这一使命表示十分怀疑。

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Whereas analog measurement--in the form of slide rules, micrometers and electronic meters--increasingly hit a wall because of the limitation of human beings to capture the result, digital could just keep on getting more and more accurate.

FORBES: Computing Desire

And it was clear that the visitors were keen to arrest their slide by any means possible - stretching the rules of engagement at times as they clattered into challenges.

BBC: CHOOSE A SPORT