Argand Lamp from 1835-1840, a revolutionary late 18th century light source which was much more powerful than previous oil lamps ( media.kbin.social )
Close up of the Aquincum Hydraulis, a replica of a 3rd century Roman musical instrument, modern-day Hungary ( media.kbin.social )
Bundle of iron 'Kissi pennies' (currency) from modern-day Sierra Leone, 19th century ( media.kbin.social )
13th century Byzantine map of the world, based on now-lost 2nd century Graeco-Roman original ( media.kbin.social )