There are a few families in this part of the state who have done more to guarantee the security of their country than Mr. and Mrs. J.T. Purvis of Harrisonburg.It was learned this week that Mr. and Mrs. Purvis have three sons and three sons-in-laws in the armed forces of the United States.The sons are: Louis, 22, who is in the Navy and is stationed at San Juan, Puerto Rico; Arthur ...