At the age of 12 Bruno Rossati began working eleven hour days.
"Now, approaching 91, I find myself reminiscing about my youth, still riding my motorcycle every day.
Letter re Ladetto
A Brief History of the Marque
The company was founded by Ludwig Rüb who had been an engineer with the Hildebrand & Wolfmüller motorcycle company. He later began building machines with Dreher Christian Haab which used magneto ignition by Bosch.
In 1895 the firm became Rüb and Wegelin, and later Heinle & Wegelin which built De-Dion style tricycles.
Rüb joined Graf Zeppelin in 1896.
Sources: Wikipedia DE.
See also dingler.culture.hu-berlin.de