But not everything went quite to plan. He experienced a period of unemployment before once again finding a job at the Edison Machine Works. In their letters to each other, Robert Bosch and Anna Kayser, the sister of his friend Eugen, had agreed to become engaged, and so Bosch decided to return to Germany after a year in the U.S. On his way home, he stopped off in England and spent half a year working for Siemens Brothers in Woolwich, on the outskirts of London. He returned to Germany at Christmas 1885 and became officially engaged.