looking for a DT1050 Digitalker chip set

Hello I am a student at SJSU in CA and I am wanting to construct a talking DVM senior project. Part of the speech circuit would be using the the DT1050 kit by National semiconductor(MM54104 +ROMS for the digitalker). Do you know of any anywhere? If so,let me know.... Thanks Paul ------------------------------------------------------------------------------- This message and any included attachments are from Siemens Medical Solutions USA, Inc. and are intended only for the addressee(s). The information contained herein may include trade secrets or privileged or otherwise confidential information. Unauthorized review, forwarding, printing, copying, distributing, or using such information is strictly prohibited and may be unlawful. If you received this message in error, or have reason to believe you are not authorized to receive it, please promptly delete this message and notify the sender by e-mail with a copy to Central.SecurityOffice at shs.siemens.com Thank you