Paraffin press,1889

Numéro d’image : 11632691
Paraffin press,1889
Paraffin press. 19th-century artwork of a machine used to produced solid paraffin wax from the paraffin distillate produced from crude oil. The accompanying article describes various chemical processes used to isolate and purify the various fractions of crude oil,with paraffin coming from one of the heaviest fractions. Here,after cooling,the residue is added at top left and compressed by turning the wheel (right). Impurities drain off,leaving the white paraffin wax,used in candles,waxed paper,and other products. Artwork from the 4th volume (second period of 1889) of the French popular science weekly 'La Science Illustree'
Licence : Droits gérés
Crédit: Science Photo Library
Taille de l’image : 4987 px × 3650 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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