Forgotten Weapons has been covering various guns from Rock Island Auction and decided to do a history on development of the Model 1911 pistol
https://www.youtube.com/watch?v=vgOicEVA4u8
It's about 30 minutes long, and should be a treat for 1911 afficonados. You can read about the video from his website too
Link: http://www.forgottenweapons.com/development-of-the-model-1911-pistol-video/
From: Forgotten Weapons