reverse

This is a very handy tool if you want to find info about a certain photo. First, download the Add-on from Mozilla - https://addons.mozilla.org/en-US/firefox/addon/google-reverse-image-search/ Then find a photo you need info on(personal photos or some photos that have been manipulated won't...

If one nation managed to get their hands on another maintenance manuals detailing an engine, but not an engineering blue print for production, what was the threat of reverse engineering a copy of that engine from just those manuals?