Orchestra with double woodwinds

I didn't quite understand the context, but for example, referring to the classical orchestra (which dates back to the 18th century and owes its instrumentation mainly to Haydn and Mozart), as the number of strings increases, pairs of wind instruments are steadily added (winds in pairs). Sometimes you can also find timpani. See

First and second violins, Violas, Cellos and Double basses
Flutes and Oboes

Clarinets and Bassoons

Horns and Trumpets
Timpani

The answer, I think, you can find it here!

Oracolo wrote:

What exactly is meant by an orchestra with winds in twos?

Strings plus 2 fl, 2 ob, 2 cl and 2 fg?

Or would the winds, quite rightly, also include the brass?

It means with winds in twos, meaning any wind instrument in pairs; not necessarily all of them, but those you deem useful. Clearly, the orchestra in twos has its own history already mentioned by someone. But nowadays you can go wild; you can even enrich it with keyboards and color instruments; the classical one is just a base.