"The Treatment of Multiple Crossovers" Page 1. January 12, 1931
"The Treatment of Multiple Crossovers" January 12, 1931. Page 1  Larger Images / More Information. 6 pp.

Activity Listings

  • AHP writes cheque to: Mrs. M. M. Fillmore amount $10 [Filed under LP Biographical: Box #4.011, Folder #2]
  • Letter from James S. Thompson, VP of the McGraw-Hill Book Company Inc., to LP RE: McGraw-Hill faces difficulties with projecting a new series mainly due to profit issues. As an advanced series, it would need to be continuously updated and republished and not many people would purchase them. Also they feel that many of the topics can be incorporated into the current International Series of both Chemistry and Physics, and asks if LP feels the same. [Letter from LP to Thompson December 31, 1930] [Filed under LP Personal Safe: Drawer 3, Folder 3.018.159a]