The most original observations in the book result from this detailed scrutiny.

However, these books also include quantities of original scientific observations.

The original observation was in connection with population and wealth.

He was known for his original observations in heart disease.

"The original observations were scheduled to take three standard weeks."

I don't think the man has had an original observation in his life.

But the developments came slowly and, as it turned out, part of the original observation was wrong.

If this is true, the original observation that led to the theory would be invalid.

This original observation has been confirmed and extended by other workers.

There, as everywhere, he had his eyes about him, and made many original observations.