1960's Bezzera Rebuild - Page 4

Boiler pressure switch restoration......

The original pressure switch

The remains of many spiders eggs.....

Dismantled and cleaned-up switch parts

Top left is the actual pressure diaphragm.....

Close-up of the mercury switches (mounted on spring steel finger)

In the late 1960's I made glass envelope mercury switches similar to these at the UofA!

Reassembled unit....

Final restored pressure switch with original undamaged "Bakelite" cover

Bakelite covers are usually difficult to find in good condition..... this one is excellent 

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