Keywords: A photo of former diamond polishing factory-buildings on the campus Roeterseiland, Amsterdam; high resolution image by FotoDutch in June 2013.jpg en A photo of some former diamond polishing factory-buildings now used by the university on the campus Roeterseiland Amsterdam; high resolution image by FotoDutch in June 2013 nl Een foto van enkele gebouwen van vroegere diamant-slijperijen die nu worden gebruikt door de Universeiteit op het terrein van Roeterseiland in Amsterdam; hoge resolutie foto van FotoDutch Juni 2013 2013-06-28 15 23 59 own Fons Heijnsbroek 52 363392 4 913586 The city Amsterdam had a lot of diamond polishing factories spread over the city active till circa 1940; These were big factories with a large steam-engine and hundreds of experienced diamond-workers polishing the rough diamonds cc-zero Uploaded with UploadWizard Buildings in Amsterdam Former factories Roeterseiland 2013 in Amsterdam |