![Clapping :clap:](./images/smilies/icon_clap.gif)
It's always good, and refreshing, to see non-standard projects, Ralf!. Carden-Loyd made a number of such designs in the inter-war years. My guess is, this was -the one I'n the photo- that is, a gift from the British Army to their German cousins, after Dunkirk.
Here's a photo we often see here.
![Very Happy :D](./images/smilies/icon_e_biggrin.gif)
More of their handiwork:
![Image](https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Ftse1.explicit.bing.net%2Fth%3Fid%3DOIP.-1rQxjSsH7t1qhwCM92HzgHaF4%26pid%3DApi&f=1)
"Get your facts first, and then you can distort them as much as you please"- Mark Twain.