Joshua Nall
Joshua Nall is curator of modern sciences at the Whipple Museum of the History of Science, Cambridge, UK
OpinionHow to spot fake scientific instruments
Is this a 16th century astrolabe, or a modern-day forgery?
Joshua Nall is curator of modern sciences at the Whipple Museum of the History of Science, Cambridge, UK

Is this a 16th century astrolabe, or a modern-day forgery?