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


1936
1937
1938
1939
 
1940
1941
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1943
1944
1945
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1950
1951
1952
1953
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1960
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1969
 
Notes re: trans-Dichlorethylene. Page 110. June 20, 1935
Notes re: trans-Dichlorethylene. June 20, 1935. Page 110  Larger Images / More Information. 1 p.

Activity Listings

  • Letter from LP to E. C. Barrett, C. I. T. RE: Requests that Barrett make the listed payments for research assistance during the summer. [LP Science Box 14.037, Folder 7]