[posted] Posted (#30495, Williams) !

[David Widger]

A History of Science, Volume 5(of 5), by Henry Smith Williams            30495
  [Subtitle: Aspects Of Recent Science]
  [Link: http://www.gutenberg.org/3/0/4/9/30495 ]
  [Files: 30495.txt; 30495-8.txt; 30495-h.htm]


David