@Glock-A-Roo. Thanks, I edited the post. I guess I was a bit gun shy when I made the initial post here last night as on another forum that I follow, last week, I posted a free link to Gas Turbine Engineering which is a subject of much interest to me. Little did I know when I returned to the forum a few days later, there was a firestorm of posts of which some were scathing on why the book was not reviewed first as a couple of the forum's resident "arm chair experts" took issue with one pages content (out of 600 + pages) of said book. The whole post and thread ended up being deleted.
Needless to say I won't be posting any more links on that forum...
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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.
John Lubbock