An old book on human nutrition https://imgoat.com/v/25109 https://imgoat.com/v/25108 https://imgoat.com/v/25107 https://imgoat.com/v/25110 https://imgoat.com/v/25111  I love buying old books, this one was copyrighted in 1925 and is about biology and human life, enjoy these pictures of a bit of its contents :)