.1) Photographic portrait of Hans Frandsen Madsen .2) Copy of a photograph of Mads Jepsen (1814-1888) & Regine Dorthee Hansdatter (1817-1879). They were the parents of Hans Frandsen Madsen, who was one of the earliest enrolments at the Ballarat School of Mines. .3) Articles on Hans Frandsen Madsen's pioneering work with telescopes, including The "Madsen Reflector", and Polishing and Figuring 18 inch glass specula by hand (Read before the Royal Society of NSW, 7 July 1886) .4) Extract of reminiscences of 90 year old Hans Madsonmadsen, hans frandsen madsen, regine dorthee hansdatter, mads jepsen madsen, ballarat school of mines alumni, telescopes, hans madsen