They were! How they got the blue flames is a particularly interesting trick if you can find the article where they explained it. Thinking about it more now after a full night’s sleep, it was effects shots that were missing so much as model shots. I distinctly remember the views of the castle being replaced by sketches.

I will dig it out of the vault!

Also, I'm intrigued by this unfinished version of Bram Stoker's Dracula you have. I read somewhere that almost all of the effects in the movie were done in-camera.