Michael Yanchenock uses his white cane to navigate around the side of a building in Sydney both alone and with mobility instructor Margit Rihr. These pictures were taken near the William Street/Boomerang Street building of RBS.2 x Sepia toned photograph of orientation and mobility training1-1769 Michael Mobility training Oct 1969 Photographic Illustrators, Double Bay 2-1769 Photographic Illustrators, Double Bay - 36-1764. Margit Rihr & Michael Yanchenock - mobility training October 1969, Mobility - historicalroyal blind society of nsw, white cane day, orientation and mobility, michael yanchenock, margaret rihr