- Who built this duplicate of my invention?
- I did, doctor. But it needs the finishing touch.
5 seconds sound clip from Superman (1948) - Superman's Dilemma (Chapter 11).
You can hear this line at 00:03:20.319 in the Blu-ray version of the episode.
Quote context
[...]
- I doubt whether you'll get another chance. From now on, you'll be confined in this cave.
- Do you realize that the authorities aided by Superman are searching for me?
- So you have no other choice but to obey me.
- And develop the Reducer Ray to suit my purposes.
- Who built this duplicate of my invention?
- I did, doctor. But it needs the finishing touch.
- Mechanical secrets that only you know.
- You'll never learn them from me.
- You might change your mind. Driller, take him below and see if you can persuade him.
- Fine staff I have. You get yourselves in all kinds of trouble, but I can't print that.
- You mean the public isn't interested in what happens to reporters?
- I wanna keep you all alive so I can find out where Dr. Graham is.
- That's easy. He's a prisoner of the Spider Lady.
[...]