A bit of a question for you today. Above is a brewing log from just before the world of US brewing learned about lager. I won't get into the details of whose log it is for now as I am hoping you may be able to help draw out a few more details than I have. If you click on the image you will see my annotated notes. For the most part, I am clear on the numbers but would like to know more about the techniques involved. You will see that there are three beers made from a single mash but that the two stronger are recombined. That makes for what the brewer calls a double and a single beer. Here is what else I see:
♦ The double seems to have 104 barrels of liquor before the boil. A US barrel has 119 litres. So that is 12,376 litres.
♦ The 190 bushels of malt works out to 6460 lbs at 34 lbs a bushel of malt.
♦ The 220 lbs of hops would be local CNY Cluster hops
♦ The malt would also be local pale malt.
♦ This beer made 7 barrels of small ale and 60 barrels of double ale. I don't understand how 68 and 36 barrels before boil makes 60 as a result. I ran the malt and liquor through a standard calculator and see the result is a 5.1% beer. But I am missing something. That much concentration should make a stronger beer. Or am I making an assumption.
♦ The notes on the opposing page for batch 140 say this is a Pale Stock NY ale. Also, it is noted that this is a particularly good batch.
♦ Unlike some other brews logged and also comments from the time, no salt is added.
Anyone handy with the abbreviations "HVG" and "HHG" at the tops of columns #10 and #12? I assume the G stands for gravity. Also, note that there are slightly different hand writing. The log is filled in over 9 or 10 days. So, the two numerals "6" in column #10 differ. Also, I am now thinking that the number in column #11 may actually be a "65" when I compare it to other numbers. That might make this a notation from degrees F rather than weight or quantity.
Anyway, all thoughts appreciated. This is part of a bigger project so I am hoping the power of the collective brain effect that the internets always promised will nudge us along. Let's see.