A couple of these have been posted but I found a few more articles.
Popular Mechanics
http://books.google.com/books?id=vuE...107&dq=popular mechanics amf bowling&pg=PA106#v=twopage&q&f=false
http://books.google.com/books?id=4ds...page&q&f=false
Popular Science
http://books.google.com/books?id=qQA...page&q&f=false
http://books.google.com/books?id=5ik...page&q&f=false
http://books.google.com/books?id=4SA...page&q&f=false
http://books.google.com/books?id=9yA...page&q&f=false
Popular Mechanics
http://books.google.com/books?id=vuE...107&dq=popular mechanics amf bowling&pg=PA106#v=twopage&q&f=false
http://books.google.com/books?id=4ds...page&q&f=false
Popular Science
http://books.google.com/books?id=qQA...page&q&f=false
http://books.google.com/books?id=5ik...page&q&f=false
http://books.google.com/books?id=4SA...page&q&f=false
http://books.google.com/books?id=9yA...page&q&f=false