Madsen arrived in Victoria in 1878, working in the tanning business. After gaining experience in the field, he established his own tannery in High Street South Preston. At its height the tannery was producing 192 calf skins and 70 hides per week.
Great War Index 1914-1920: index to births, deaths and marriages in Victoria. Melbourne : Registry of Births, Deaths and Marriages. 1997 Victoria and its metropolis. Melbourne. McCarron, Bird & Co. 1888.