Cover to 'Observations on the Temple of Serapis', 1847.
4 0 c m
actual image size: 20cm x 32cm

Cover to 'Observations on the Temple of Serapis', 1847.

© Science Museum / Science & Society Picture Library


Now known as the Macellum, the 'temple' was actually part of a market, contained lavatories and was posibly used for thermal functions. The Macellum serves as a method for measuring the bradyseismic phenomenon: corrosion on the columns caused by lithophagi (date musels), indicates the different water levels over time. This led mathematician Charles Babbage (1791-1871) to conclude that the 'subsidence of the building was not sudden, or at one period only, but gradual, and by succesive movements.' Cover to Babbage's 'Observations on the Temple of Serapis at Pozzuoli near Naples', published in 1847.

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