Olivetti Adder & Calculator, citizen 4osu21

From: Christine
Email: martens.madhouse@comcast.net


I found an adding machine in my father's basement a few years ago which seems to be from the 80's. I was going to lend it to my church for a sale, but I don't have the manual and have no idea how it works. I'm looking for any info on how to thread the paper, or an owner's manual. Thanks so much!