Keywords: The spritsail barge 'Progress'.jpg ca 1886 Photograph cm Institution National Maritime Museum Thacker Collection object history credit line http //www flickr com/people/11334970 N05 National Maritime Museum from Greenwich United Kingdom by Flickr accession number Reproduction ID H0976 originally posted to Flickr as http //www flickr com/photos/nationalmaritimemuseum/4614747977/ The spritsail barge 'Progress' http //www nmm ac uk/copyright National Maritime Museum Flickr Commons National Maritime Museum Flickr-no known copyright restrictions National Maritime Museum http //flickr com/photos/11334970 N05/4614747977 2011-09-26 18 17 28 No known copyright restrictions Photographs in the National Maritime Museum London Thames barges Black and white photographs |