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Friday, 9 December 2011

Model 110E - Stella - Desider Stern - Vienna - Part 10

Man lernt ja nie aus!

Lately i was visiting Mr. Bugram in Vienna and asking myself what this little thingamajig near the bakelite knob is for. (here left on the picture)

A brief look on the patent... et voilà!

It's a whistle!

This whistle is supposed to tell you when the sufficient pressure has been reached to operate the coffee machine.

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