Creator: Date Created: Place Created:April 22, 1965 Keywords:October 28, 1964,April 22, 1965,Tetrahedral,X-ray Press Context:300 TON X-RAY PRESS PISTON ROD-GUIDE PLATE ************************************************** Tetrahedral X-ray Press, 300 Ton Piston - Rod - Guide - Plate detail October 28, 1964 H. Tracy Hall Modified April 22, 1965 300 TON X-RAY PRESS PISTON ROD-GUIDE PLATE MAKE OF 4340 STEEL HARDEN TO Rc 45±3 4 REQ'D. CADMIUM PLATE HEAD