Forgotten Weapons is making a series of videos about the Thompson sub-machinegun, the famous, and infamous, Typewriter of Chicago fame, as it were. So far, there are two videos up, the first about the original 1921 model, and the second about the 1921/28.

https://www.youtube.com/watch?v=QN1uUfMCQ0Y
https://www.youtube.com/watch?v=O4jo8csYpg0

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Stoke Mandeville, Esq & The Victorian Ballsmiths
"Nobody Want Verdigris-Covered Balls!"