Isinglass

There’s some wonderful information in Peter Mathias’ The Brewing Industry in England 1700-1830, especially if you’re looking for funny details about the world of London brewers in the 1730s that could be hacked into alchemical-industrial conspiracy. For example, isinglass: It’s basically made out of fish bladder, and it’s used as a “finings”–that is, you dump some […]