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Thursday, 15 November 2012

Ennio Delle Vedove / Security Valve

Difficult not to think about the Excelsior of the Homeespresso collection (patented by Manlio Marzetti in Milan in 1909)...

Very very difficult not to think about the invention of Clarence U. Buck in the USA in 1910...

Impossible not to think about Leonard E. Aske invention in the USA in 1942...

And i am not even mentioning Giordano Robbiati's patent of 1946!!!

When you see where the security valve is placed... as well as the original heating resistance in the Boiler water filling hole.

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