He published in 1860, Results of the Magnetical, Nautical and Meteorological Observations from March 1858 to February 1859, and did a large amount of travelling in Victoria in connection with his magnetic survey of the colony. He published his Results of the Meteorological Observations 1859-1862 and Nautical Observations 1858-1862 in 1864, and in the same year returned to Germany. In 1867 he brought out his Discussion of the Meteorological and Magnetical Observations made at the Flagstaff Observatory, and in 1869 appeared his extremely valuable Results of the Magnetic Survey of the Colony of Victoria—1858-1864.