Re: allen wales adding machine

From: Art Ritz
Email: arthurritz@aol.com


I am a retired N.C.R. field engineer.Many years ago I used to specialize in the repair and overhaul of allen wales and N.C.R. adding machines.I recently acuired one and would like to know the age of it.I have long since lost my date of manufacture book.It is a 9e serial number 151585.any help would be greatly appreciated.