Complex sentence: The Oak Ridge Associated University website has an excellent description of the tube and also excellent photos There is also a brief blog posting about Sayen and his x-ray ambulance on the National Museum of American History website.
Split into simpler sentences: The Oak Ridge Associated University website has an excellent description of the tube and also excellent photos. Theris also a brief blog posting about Sayen and his x-ray ambulance on the National Museum of American History website.