That would be an _ebonite_ rod, not ebony: https://en.m.wikipedia.org/wiki/Ebonite https://en.m.wikipedia.org/wiki/Ebonite Fun fact: ebonite is used to make f

That would be an _ebonite_ rod, not ebony: https://en.m.wikipedia.org/wiki/Ebonite https://en.m.wikipedia.org/wiki/Ebonite Fun fact: ebonite is used to make fountain pens.