Visit the Pavek Museum of Broadcasting , which has a large portion of the Jack Mullin Collection. Sound recording technology - They have a good websight as well. Also try the Antique Wireless Museum - also has a websight. Best of Luck !! Bob Hodge Syracuse University Belfer Audio Archive >>> [log in to unmask] 05/05/04 12:10PM >>> Dear ARSCLIST, I'm doing research for a documentary about the blues musician Robert Johnson, and we're trying to track down the recording equipment used for his recording session in 1937 in Dallas, Texas. I've been browsing through the ARSCLIST archives, and I hope I'm not committing a huge faux pas by jumping in with this question... I've been able to find out so far that the recording was done at the American Record Company's warehouse in Dallas on 6/20/37. Also, I've read that the recording equipment used 1-1.5 inches of hard beeswax, cut with a diamond needle, and the master was kept under ice to keep it from melting. Is it possible to find out the exact kind of recording equipment that was used for the session? And if so, does anyone happen to know where I can track down one of these recording machines/devices? Thank you, and best regards, Ann Yamamoto __________________________________________________ Do You Yahoo!? http://bb.yahoo.co.jp/