No. 3945 (Model 2)

Image Courtesy of Grant Kornberg, Technogallerie

Image Courtesy of Grant Kornberg, Technogallerie

Image Courtesy of Grant Kornberg, Technogallerie

Image Courtesy of Grant Kornberg, Technogallerie

Image Courtesy of Dave Slusarczyk // Check out his YouTube Channel!

Image Courtesy of John Jenkins | Visit the SparkMuseum!