The Milkmaid (Vermeer) van Leyden's engraving "The Milkmaid" (1510) and Jacques de Gheyn II's engraving "The Archer and the Milkmaid" (about 1610). Vermeer's painting is even more understated, although the use of symbols remains: one of the Delft tiles at the foot of the wall behind the maid, near the foot warmer, depicts Cupid – which can imply arousal of a woman or simply that while she is working she is daydreaming about a man. Other amorous symbols in the painting include a wide-mouthed jug, often used as a symbol of the female anatomy. The foot warmer was often used by artists as
Singapore-Delft Water Alliance Singapore-Delft Water Alliance Singapore-Delft Water Alliance (SDWA) was a multi-national, interdisciplinary research Centre of Excellence for Water Knowledge involving PUB (Singapore), National University of Singapore and Deltares, established through an initiative of the National Research Foundation in Singapore. SDWA was hosted by National University of Singapore and provided a research home to scientists and engineers from all partner organizations. SDWA ceased to exist on the 1st of April 2014 after it successfully met all its Key Performance Indicators. The collaboration between NUS and Deltares is continued through NUSDeltares. As part of Singapore's push to be a Global Hydrohub, a memorandum