Slide 16: Two Roads that Crossed in the Wood - Growth of US Radio Astronomy in the 1950s and 1960s
![[Needham radio telescope interior]](ewen_50sand60s_slide16.jpg)
Slide 17
Modified on by Ellen BoutonSlide 16: Two Roads that Crossed in the Wood - Growth of US Radio Astronomy in the 1950s and 1960s
The Needham radio telescope in operating mode, 1957. A prototype of the Polaris radiometer was used as an elevation axis counterweight. Credit: Photo courtesy of Doc Ewen.
Slide 17