Subject:"Achatz, Raymond Vincent (B.S.E.E. Purdue 1908)" Remove Publication:"Debris" Remove Publication:"Debris" Remove Publication Year:"1917" Remove Publication:"Debris" Remove Subject:"Achatz, Raymond Vincent (B.S.E.E. Purdue 1908)" Remove Subject:"Achatz, Raymond Vincent (B.S.E.E. Purdue 1908)" Remove