[CW] New Kindle Book: "Cleaning Viibroplex Keys" by AC9GQ

[David J. J. Ring, Jr.]

There's an excellent and inexpensive ($2.99)  Amazon ebook on cleaning and restoring of keys.
Cleaning Vibroplex Keys: How To Clean Vibroplex And Other Telegraph Keys
https://www.amazon.com/gp/product/B01FH2MN3W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
You can make up a solution of softsoap, pinesol, Murphys oil soap and ammonia and clean the keys up with it.  I was skeptical but it does in fact work great.  

AC9GQ is the author.

73

DR