Subsequently, I created a set of general subroutines in the program language FORTRAN, which simply translated the graphs. Bill Welch suggested that we get the artistic staff in the Department of Zoology at the University of Wisconsin to make pen-and-ink drawings from my graphs. Various visitors to Warren Porter’s lab asked for copies of the graphs and tables in my folder. For years, I carried these reference tools around in a folder of hand-drawn graphs and tables. These, and other tables that I accumulated, became my main source of reference material in my research.
I got so tired of looking in reference books that I decided to extract what I needed and make tables and graphs of the properties of air. When I was a graduate student, I found myself constantly looking up physical characteristics of air as I developed biophysical ecological models. This preface is largely to say a few things about this small book. The fourth edition exists due to Berry’s enthusiasm to develop a digital version with errors corrected.
He scanned the third edition, and corrected errors in it. This edition was created because Berry Pinshow wanted a digital version for his personal use. This fourth edition of Properties of Air is largely a reprint of the third edition with errors corrected.
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