Yes it was. I still wonder, did they know then?
It is a two part episode and at the end of Forest of the Dead, the Doctor set down River’s Sonic Screwdriver on her book and there is a long slow zoom in. Of late I’ve been mildly obsesses with Steampunk and looking at her screwdriver close up thought, “Wow, that looks steampunk!”
Click the image on this post for a larger look and see if you don’t agree.
Couple of geek notes.
There’s some continuity errors between the close ups and the 2 shots with the Doctor and the Screwdriver here.
I’m not sure the close up in his hand is the same screwdriver. There is a loop on the one on the book, but it seems to disappear in all the other shots. Could be he’s holding it where you can’t see it, but I’m not sure.
The loop must be on the other side.
And thanks for the close-up, I needed a reference.