Correspondence. Date: January 12, 1955; From: Kenneth F. McClure; To: Mr. David A. Walsh; Content: "This is in reply to your letter of December 17, 1954, in which you request our views with respect to various procedural and other matters arising in connection with the controversy between yourself and the National Bureau of Standards concerning the joinder of parties in an investigation involving an obturator probe." (2 PP)