I appreciate you and your questions. Here is one that took me 10 seconds to google, verify link, cut, copy, and paste...
Is this really the make or break question you have? To be clear, you're ONLY hangup is a range of measurement (30feet down to palm size) or the royal cubit measurement I used to further reiterate the vast similarities between Sumerian beliefs and Christianity? Again, moot point in my book, it's either 30' or the size of a nano particle. Right?
I feel you're targeting the religious aspect of this conversation.
I, personally, believe it was originally an Egyptian unit of measurement. [www.britannica.com]
Seriously though, I've spent a total of 30 seconds on google to retrieve two more references that I didn't account for earlier.
Google any questions you have about anything, but for you I feel, if it's not accepted by mainstream and in text books it didn't happen... is that true?
Would you tell me your practicing religion? It will help me to better explain myself, I studied 6 years at a methodist college. I have no quams, we're all children of god regardless of the slave name you've given him. LOL! truth:)