Tag: Nicolaus Copernicus

Nicolaus Copernicus recorded the first astronomical observation at Bologna on this day in 1497. Did you know that: • Charles Graham of New York was granted the first patent for artificial teeth on this day in 1822• Albert Potts of Philadelphia patented a street mailbox on this day in 1858• Gladys Geissmann received a patent […]

Thomas Edison received a patent for his gramophone on this day in 1878. Did you know that: • Nicolaus Copernicus, the first to formulate a model of the universe that placed the Sun rather than Earth at its centre, was born on this day in 1473• The tintype camera patented by Hamilton Smith on this […]