A 19th century telescope, theODORE Frederick Wiesner (c1845-1897) Sydney, circa 1880, seated on tripod stand, the stand measures 77 cm high, the barrel 106 cm long. Provenance: The owner's maternal grandfather acquired the telescope by trade in the 1880's, while working in the countryside and goldfields areas, supplying various necessities. Catalogue note: T.F. Wiesner, an Astronomical, Mathematical, Optical, Surveying, and Philosophical instrument maker, traded from 334 Georges St, Sydney. Completing his apprenticeship in the 1860s, by the 1880s the spread of settlement had gained Wiesner a large share of the market for the demand in surveying and drafting instruments, due to the development of roads and railways, and the construction of buildings and bridges.