"It tastes exactly the way it smells," he says, as if the flavor is not offensive. "It tastes like mothballs and old library books. It's not very good."
The eating process doesn't get much better from there. The cracker, which was pretty hard when it was fresh more than 150 years ago, is now so hard that he's afraid it may crack his teeth. Soaking it in a crusty old military tin of water helps soften it, but somehow makes the flavor even worse.
"It tastes like rubber," he says, as if continuing to eat it is perfectly fine. "I literally feel like I'm biting down on an eraser or rubber. It really does have an industrial kind of flavor and smell to it too."