Originally Posted by Dan S.W.
This may ruffle some feathers.

Knowing Dig, it was not written with that intention. It was intended as information only, and may well be true. The question to be considered however is, is that not good enough? When any well cared for examples of either, or both, can be shown to have functioned perfectly for 100 + years, why is better needed? It isn't. But, it may be desired, and that should be a different line of reasoning, IMO.

May God bless America and those who defend her.