British brandy

British brandy and whiskey prepared in a similar way from potato starch need to be freed from a rather larger percentage of fusel oil than does barley spirit. 

Everyone knew about alcohol s preservative properties, and there was plenty of brandy on board. They immersed Nelson in the liquid (not in rum, as some romanticized accounts suggest), which they replaced with wine when the ship docked in Gibraltar. There is no truth to the rumor that Nelson s cask arrived in England partly empty because his men weren t put off by a little admiral flavor. Nevertheless, British sailors still... 

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