each zip file contains image files named as the system number, e.g. 700173153.png (file type should be as the original file type, with no additional conversion / processing)
each file will contain an additional json file with the image metadata e.g. 700173153.json
700173153.png(file type should be as the original file type, with no additional conversion / processing)700173153.jsonrelated issue: #1
Example of an image: http://merhav.nli.org.il/primo_library/libweb/action/search.do?&tab=default_tab&srt=rank&ct=search&mode=Basic&dum=true&indx=1&fn=search&vid=NNL_Ephemera&vl(freeText0)=700173153