Already a few year old and the picture itself is not much.
The Skoda factories/museum in Tsjechie. The development from a bike to motorbike. In Holland not so long ago a small motorbike, less then 55cc, was called a bike with help engine. The second requirement was that one could use it as a bike. What about this one? Early 20th century.
The same bike but then from the front. Engines have developed since then.
George