The Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Math Forum » Discussions » sci.math.* » sci.math

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: WTB: Old mechanical calculators - 148FS 0711 HL
Replies: 0  

Advanced Search

Back to Topic List Back to Topic List  

Posts: 8
Registered: 12/12/04
WTB: Old mechanical calculators - 148FS 0711 HL
Posted: Jul 11, 1996 12:00 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

I am interested in purchasing old mechanical calculators and other
scientific devices. I also collect wooden and metal engineering slide
rules that are in very good or excellent condition. In addition, I am
interested in other mechanical math and science devices such as
planimeters (mechanical integrators) and cipher (encryption/decryption)

I am interested in any type of mechanical calculator, but I am especially
seeking the "rotary" calculators that were made by Monroe, Friden,
Marchant and other manufacturers from the period of the 1900's through
the late 1960's. I am interested in both electrical and non-electrical
mechanical calculators of both the desk and hand-held models. I am
especially interested in hand-held Curta brand calculators.

I am not interested in adding machines that print on tape or electronic
calculators. However, I do collect non-printing adding machines such as

If you have an old calculator, slide rule, or other interesting mechanical
device collecting dust in a closet, please send me an e-mail message.

Phil Sherrod (

-- usenet.sci.math 07/11/1996 --

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.