Painting, oil on board, Good Government, by Jenny Clements?, unsigned, Science Museum Design Office, South Kensington, London, England, 1964. The painting is a copy of a detail in a fresco by Ambrogio Lorenzetti 1337-9, in the Palazzo Pubblico, Siena, Italy. The figure of Temperance holds a sand-glass in her right hand; it is typical early form with two separate bulbs bound together at the necks.