Does it make a man an angel to eat hardtack?

Pour into the meat can one man's allowance of tomatoes and add about two large hardtacks broken into small pieces and let come to a boil.

There sat in the hall that day men who had given that boy their last hardtack, who had carried him on their backs through deep rivers.

"Why, he's harder now 'n nails an' hardtack!"

Then he remembered the hardtack which Ken kept in the bow locker to refresh himself with during trips.