Vintage Multi-turn RADIO DIAL Scale From 833-966 in a Sliding Window

POSSIBLY GENERAL RADIO

Non-vernier Multi-turn dial shows each digit from 833-966 in a sliding window that moves up and down.
Excellent condition except metal disc shown needs to be straightened.
The assembly is in a heavy cast metal cage and weighs 1-3/4 pounds.
Works perfectly.
Radio maker unknown but resembles GENERAL RADIO quality.

Please study the photos. WYSIWYG (What you see is what you get). Works perfectly. Excellent condition except metal disc shown needs to be straightened.