1930
1931
1932
1933
1934
1935
1936
1937
1938
January
February
March
April
May
June
July
August
September
October
November
December


1939
 
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
 
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
 
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
 
"Metals." Page 1. July 29, 1938
"Metals." July 29, 1938. Page 1  Larger Images / More Information. 1 p.

Activity Listings

  • Letter from LP to Mr. Edward C. Lingafelter RE: LP encloses two x-ray photographs of his crystal. [Filed under: L: Correspondence, Box #230, Folder #230.4]
  • Letter from LP to Professor Ermon D. Eastman RE: LP is pleased with Lingafelter's photographs for structure determination but thinks it would be wise for him to send his manuscript to be looked over before publication. [Filed under LP Correspondence: Box #106, Folder #106.1]
  • Letter from LP to Professor Martin Kilpatrick RE: LP regrets to say that he cannot recommend any one at this time for research assistant. [Filed under: K: Correspondence, Box #200, Folder #200.3]
  • Letter from LP to Professor Philip A. Leighton RE: LP reports that it will not be possible for him to come to the research conference because of various jobs that need to be attended to. [Filed under: L: Correspondence, Box #230, Folder #230.4]
  • Press Release from the Department of State Re: A Division of Cultural Relations will be established in the Department of State. [Filed under LP Science: Box #14.001, Folder #1.1]