Here is a link to my TV Typewriter, you can see the mfg info for the keyboard which was included. I know this isn't the keyboard you are looking for, but is a period correct keyboard: https://picasaweb.google.com/105518971733743859503/TVTypewriter?authkey=Gv1sRgCJnp_Z-jtauDFQ#6205168098809090402