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23 feb 1845 anni - Isaac Johnson Inglaterra

Descrizione:

Isaac Charles Johnson, da J.B. White and Sons afirma ter queimado argila e calcário a uma temperatura suficiente a produzir clínquer.

Aggiunto al nastro di tempo:

Historia do cimento

9 nov 2017

0

0

873

Data:

23 feb 1845 anni

Adesso

~ 180 years ago

Immagini:

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