Cleaning old slide rules



#2

I got a Dietzgen slide rule still in a very good shape, only there's a presence of a green patina on the surface of the cursor, I think due to the contact between the metal and the leather of the case.
Which kind of metal is the frame cursor made and how may I clean without damage it?
How may I remove dirt and maybe a few little scrapes from the glass surface (his is not plexiglass isn't it?)
Thank-you in advance for your hel and advices.

Edit:
I've done just now, using a piece of cotton and a NUNCAS'soft polish for metals the one my wife uses for cleaning at home, the window of the cursor (it's really glass) with water and soap and ...there's no a scratch (!)

It looks like just came out from the factory, 63 years ago, it needs only a magnifier like the ones showed by Kimberly, to help in reading.

Edited: 18 Sept 2013, 1:36 p.m.


#3

Have a lookmat the slide rule museum. I think Mike has an article there about cleaning söide rules of various materials http://sliderulemuseum.com/

#4

Aurelio

the following may be helpful;

Link to Sphere Research's Slide Rule Universe - Cleaning slide rules

Link to SRTCo Repairing Slide Rules

Link to Eric's Cleaning Wooden Slide Rules Page

BEST!

SlideRule


#5

Kimberly, Ingo thanks a lot for your links: I can look at them like a child looks at each new discovery in the world....and really there's an entire world around the slide rules.

Thak-you again.

Edited: 18 Sept 2013, 3:26 p.m.


Possibly Related Threads...
Thread Author Replies Views Last Post
  HP-41 Plastic Slide mbrethen 4 271 11-01-2013, 10:14 AM
Last Post: Kimberly Thompson
  OT: Jeppesen E6B Wind-Easy Computer (Slide Rule) Eddie W. Shore 18 806 10-12-2013, 03:26 PM
Last Post: George Litauszky
  slide rule magnifiers Al 15 607 09-17-2013, 04:49 PM
Last Post: aurelio
  trig scales on the Post Versalog slide rule Al 12 516 09-15-2013, 06:01 AM
Last Post: John I.
  Cleaning exiting library programs patryk 2 174 09-14-2013, 12:36 PM
Last Post: patryk
  First experience with a slide rule aurelio 27 1,006 08-17-2013, 01:16 PM
Last Post: Garth Wilson
  A slide rule to conquer the moon revisited Palmer O. Hanson, Jr. 12 495 06-19-2013, 03:05 PM
Last Post: Ken Shaw
  A slide rule to conquer the Moon Gilles Carpentier 11 417 06-03-2013, 02:36 PM
Last Post: Ingo
  OT: My Slide Rule Collection Eddie W. Shore 18 1,034 04-25-2013, 11:47 PM
Last Post: Garth Wilson
  More Slide Rule Stuff... . .... Thomas Chrapkiewicz 1 147 09-25-2012, 03:41 PM
Last Post: Kiyoshi Akima

Forum Jump: