Carrotious wrote:Since the micro is 40 odd years old does it somehow work better with a grinder of the same age?
Giles, I would say "no." If, and it's a big "IF," you were trying to -- let's say -- furnish a café with everything appropriate to the 1950s, then I can certainly understand the desire to find a grinder of that era. Similarly, if your kitchen is designed straight out of a certain time period, you would want everything to match the "look" of that era.
But I know of no inherent reason -- at least that I can see -- why a 40+ year old espresso machine would work any better, and many reasons why it would be much worse, when paired with a 40+ year old grinder.
Replacement burrs are one issue, and certainly new burrs would be essential were you to acquire a 40+ year old grinder. (Hopefully they would still be available; otherwise you might have to replace the burr carrier with a new one of similar size so that new burrs could be installed.) In addition there could be an issue with the motor and its inherent RPMs (a newer grinder may operated at a slower RPM, for example), let alone frayed wiring, capacitors near their limits, etc., etc.
Style
may be one consideration, but there are also new grinders that would "match" from a stylistic vantage point. For example, the previously mentioned
Olympia Express "Moca" grinder.
Cheers,
Jason