Please clarify your question. "Where some of the raw materials where" is incomplete.

Do you mean:

* Where were some of the raw materials *sourced* from in 1750-1900?

* Where were some of the raw materials *processed* in 1750-1900?

* Where were some of the raw materials *used* in 1750-1900?

Once you clarify what you are asking, I can provide you with information.