AP Historical Hard Drive 1999
EN_00947512_0611
![AP Historical Hard Drive 1999](img/medium/arch6/dvd0162/38/EN_00947512_0611.jpg)
Dr. Wallace H. Carothers demonstrates a piece of his new synthetic rubber before the American Chemical Society's meeting Dec. 28, 1931 at Yale University. According to Dr. Carothers, two compounds, chloroprene and bromoprene, react with themselves to form rubber like products. (AP Photo)
Minimum price 50PLN
1931-12-28
ASSOCIATED PRESS/East News
Associated Press
432630
0,51MB
13cm x 17cm by 300dpi
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