Period What Period In The Annals Of Science Would You Most Like To Visit?

What period in the annals of Science would you most like to visit? - period

What scientific value, you want to visit if you had an afternoon to spend in the past?

I love visiting the old wood and glass from the labs in the 1900s, when so many amazing discoveries and gadgets have been made in the chemistry and physics.

Old slate covered with hieroglyphics esoteric scientific and graphite lubricated slide rules on the list, this time I think even more beautiful and more interesting for me. There is something romantic in the time and the environment.

With regard to scientific issues, where (If and when) you if I could - in the afternoon?