 1904-07 own business in Cape Town under the company Mauseth & Goodchild Architects and Surveyors during this time he did the surveying work on the Victoria Falls bridge which opened in 1905.From 1907 Assistant Engineer Rhodesia Railways, Mafeking, South Africa.Mauseth also worked as a surveyor for George Pauling, the main contractor to Cecil Rhodes, who was at that time opening up and building a railway and telegraph system in Rhodesia.