Jednak proto, aby firma mohla rozšířit své podnikání iza hranice Esslingenu, přičemž by znalosti akontakty Paula mohly výrazně pomoci, jednak proto, že Adolf byl delší čas nemocen anemohl se práci dostatečně věnovat.
The reason was partly that they wanted to extend the company´s activities outside Esslingen and Paul´s knowledge and contacts could help significantly, and partly because Adolf was ill for a longer time and he could not devote himself sufficiently to his work.