# OperationTumblerDoeVideo0800077

This film explains how cameras are positioned to record and later study blast effects (with smoke trails) and thermal fenomena (with ground dust lifted by heat).

Quite techinical, with lots of footage directly from "Operation Tumbler-Snapper" of 1952 (avaiable also here on Archive.org).

- Kind: Short
- Year: 1952
- Runtime: 23 min
- By: USAF Lookout Mountain Laboratory
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:OperationTumblerDoeVideo0800077.webm)
- Licence or status: Public domain (as the archive states it)
- Credit: USAF Lookout Mountain Laboratory
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/65451326?play=1)