[Silco nodded his head, though he had no idea what a cassette was in this particular conversation - probably technology rather than engineer - so he had no idea why anyone would need to play one. Still, it seemed an appropriate project for his daughter and would focus her a bit.]

Why not simply modify a gramophone? [He always made certain to take polite interest in her projects. It was outside of his wheelhouse that was all.] Though perhaps I will use this opportunity to commission a small pistol from you.