Early D. H. Thompson Fly Tying Vise collection

Here is a little history about the famous Thompson fly tying vises. They were all the rage back in the day.
YouTuber, classicflytyer shows the early vises offered by the Elgin, Illinois manufacturer of fly tying equipment, D. H. Thompson. Vises shown and described are the Thompson A, B, Short B, C, D, E, F, G and Pin Vise.