List of Contributions

Read about the operation of a slide rule. Received my engineering education in the 1960s using a top-of-the line engineering slide rule and started work immediately thereafter. Until the early 1970s a slide rule was used for the vast majority of engineering calculations. Everything to do with a slide ...

Haydn - Late in my heavy industry career, for impractical internal reasons, my employer requested a design for a sizeable WOODEN pipe bridge across a railroad track (on company property, for exclusive company use). Explained that wood was an unnecessary fire hazard with a continuing high maintenance ...