>
>> ... I have spent much time Googling with the string "emil hansen"=20
>> techniques yeast "serial dilution" and many variations, adding
>> in "laboratory" "microbiology" and "beer".
>
>Google "streak-plate". You may find, for instance,
>http://www.austin.cc.tx.us/microbugz/18streakiso.html
>
>Another such technique is "pour-plate". That is consistent
>with "serial dilution" but is more appropriate to counting
>microorganisms than to isolating single colonies.
>
>Those techniques are appropriate to microbiological labs,
>but hardly to kitchens.
>
<snip>

I agree, I am just following my curiosity on this topic.

Thank you for the search terms - If you don't know what it's called you can't
Google it.

John