Add to ORKGClyde Tombaugh is looking through a 6-inch telescope at the University of Kansas
Clyde Tombaugh seated at his desk in the Astronomy Department on the NMSU campus. Tombaugh seated at...
Graduation portrait of Clyde Tombaugh taken circa 1936. This photograph was most likely taken while ...
As Chief of Optical Measurements Section at White Sands Proving Ground, Clyde Tombaugh, was responsi...
Photograph of Clyde Tombaugh looking through a telescope at the New Mexico State University Observat...
Pictured is Clyde Tombaugh at the Fecker telescope. The telescope was designed by Tombaugh and other...
Clyde Tombaugh is at the eyepiece of the 13-inch camera telescope, Lowell Observatory, 1931. He is w...
Clyde Tombaugh stands with his 9-inch reflector telescope that he designed and built. Clyde built th...
Clyde Tombaugh standing on the platform of his 16-inch telescope. Tombaugh designed and constructed ...
Photo shows Clyde Tombaugh and a 24-inch Cassegrain telescope on Magdalena Peak in Southern New Mexi...
Clyde Tombaugh, and one of his granddaughters, peering through his 16-inch telescope in his backyard...
Clyde Tombaugh looking through his 16-inch telescope in his backyard, Las Cruces, New Mexico. This p...
Clyde Tombaugh holds the door open to the 13-inch telescope dome at the Lowell Observatory in Flagst...
13-inch wide field imaging telescope at the Lowell Observatory. Clyde Tombaugh used this type of tel...
This is the 13-inch telescope that Clyde Tombaugh used to discover the planet Pluto, while called a ...
Pictured is Clyde Tombaugh at the Fecker telescope. The telescope was designed by Tombaugh and other...
Clyde Tombaugh seated at his desk in the Astronomy Department on the NMSU campus. Tombaugh seated at...
Graduation portrait of Clyde Tombaugh taken circa 1936. This photograph was most likely taken while ...
As Chief of Optical Measurements Section at White Sands Proving Ground, Clyde Tombaugh, was responsi...
Photograph of Clyde Tombaugh looking through a telescope at the New Mexico State University Observat...
Pictured is Clyde Tombaugh at the Fecker telescope. The telescope was designed by Tombaugh and other...
Clyde Tombaugh is at the eyepiece of the 13-inch camera telescope, Lowell Observatory, 1931. He is w...
Clyde Tombaugh stands with his 9-inch reflector telescope that he designed and built. Clyde built th...
Clyde Tombaugh standing on the platform of his 16-inch telescope. Tombaugh designed and constructed ...
Photo shows Clyde Tombaugh and a 24-inch Cassegrain telescope on Magdalena Peak in Southern New Mexi...
Clyde Tombaugh, and one of his granddaughters, peering through his 16-inch telescope in his backyard...
Clyde Tombaugh looking through his 16-inch telescope in his backyard, Las Cruces, New Mexico. This p...
Clyde Tombaugh holds the door open to the 13-inch telescope dome at the Lowell Observatory in Flagst...
13-inch wide field imaging telescope at the Lowell Observatory. Clyde Tombaugh used this type of tel...
This is the 13-inch telescope that Clyde Tombaugh used to discover the planet Pluto, while called a ...
Pictured is Clyde Tombaugh at the Fecker telescope. The telescope was designed by Tombaugh and other...
Clyde Tombaugh seated at his desk in the Astronomy Department on the NMSU campus. Tombaugh seated at...
Graduation portrait of Clyde Tombaugh taken circa 1936. This photograph was most likely taken while ...
As Chief of Optical Measurements Section at White Sands Proving Ground, Clyde Tombaugh, was responsi...