Ya ......... thanks for the points
Answer:
The watermark that Weyman was able to see is significant because it confirms it is from the 17th century.
The answer would be eight-track sound recording.
Hope this helps!!
This is not a question, but more of a statement and/or scenario.
If this is about checking the grammar, for some report or something, it looks good. I find no errors.
I tried looking up this, and it has not been previously stated anywhere, so I don't know where your getting the question.
Comment to me if there are multiple choice answers or something, I'll try my best to answer.