Einstein-Szilard fridge patent,1930

Numéro d’image : 12099714
Einstein-Szilard fridge patent,1930
Einstein-Szilard fridge patent. This US patent (number 1,781,541) for a fridge design,filed on 16 December 1927,was granted on 11 November 1930. It is signed at lower right by the two inventors German-Swiss-US physicist Albert Einstein (1879-1955) and his former student Hungarian-born physicist Leo Szilard (1898-1964). Both were working in Berlin,Germany at the time. Their design was for an absorption refrigerator. It had no moving parts,operated at a constant pressure,and required only a heat source to operate. Einstein had worked at the Swiss Patent Office,and used his experience with patents to help register their invention. A total of 45 patents were granted
Licence : Droits gérés
Crédit: Science Photo Library / US National Archives
Taille de l’image : 2500 px × 3556 px
Model Release : Non requis
Property Release : Non requis
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