"I guess since it isn't written down it never happened, or was invented.'
not really, it is just a matter of knowing what the "rules" are and accepting them whether we agree or not, the general feeling is that if you are really serious then you want to have solid evidence to support your gear,I do not agree with all thecalls but I accept the standards as the community in large does and go with that, if looking to go outside this level then it is time for some real serious research, many have done years of this to get us a close as we are now to understanding what was used/done in the past.
not really, it is just a matter of knowing what the "rules" are and accepting them whether we agree or not, the general feeling is that if you are really serious then you want to have solid evidence to support your gear,I do not agree with all thecalls but I accept the standards as the community in large does and go with that, if looking to go outside this level then it is time for some real serious research, many have done years of this to get us a close as we are now to understanding what was used/done in the past.