One (1) photograph of Clyde Pangborn and Hugh Herndon with Lewis Yancey and Theodore "Ted" Roosevelt III, then governor of Puerto Rico, 1931. From accompanying materials: Governor Roosevelt greets Porto Rico Flyers / San Jauan, Porto Rico--A photo made in the billiard room of the Governor's mansion here, showing Governor Theodore Roosevelt of Porto Rico, with the American aviators who flew here from the United States recently. The picture was brought back from the island by the flyers themselves. Left to Right are – Clyde E. Pangborn, Gov. Roosevelt, Captain Lewis A. Yancey and Hugh Herndon Jr. Herndon and Pangborn handled the Bellanca Monoplane which they hope to pilot around the world shortly, while Yancey went along as observer. R-5-7-31

One (1) photograph of Clyde Pangborn and Hugh Herndon in front of Bellanca Skyrocket CH-400 "Miss Veedol", 1931. From accompanying materials: Herndon-Pangborn Round-the-World-Flight / Hugh Herndon, Jr. (right) with sextant he will use on round-the-world flight to be made by him and Clyde E. Pangborn (left) in their Wasp powered Bellanca Monoplane.

One (1) formal portrait of Clyde Pangborn (left) and Hugh Herndon. 1931. Inscription on front: E.F.Foley Inscription on verso: Clyde Pangborn, Hugh Herndon, Soon after this to Wenatchee Trans Pacific Flight Oct 3-5 '31.

One (1) photograph of Clyde Pangborn (left) and Hugh Herndon wearing flight helmets and goggles leaning on the front of Bellanca Skyrocket CH-400 "Miss Veedol", 1931. Inscription: This picture was made to show goggles.

One (1) photograph of Clyde Pangborn (left) and Hugh Herndon standing next to Bellanca Skyrocket CH-400 "Miss Veedol", 1931.

One (1) photograph of Clyde Pangborn (right) and Hugh Herndon holding live birds next to Bellanca Skyrocket CH-400 "Miss Veedol", 1931.

One (1) photograph of Clyde Pangborn in front of Bellanca Skyrocket CH-400 "Miss Veedol", 1931. Business card attached on reverse: Clyde E. Pangborn, Aerial Acrobat, PANGBORN AIRCRAFT CO. Anything in COMMERCIAL AVIATION, Home Address: Anywhere in the Air.

One (1) photograph of Clyde Pangborn (left) and Hugh Herndon under covers in beds in a hotel room, possibly the Washington Hotel in Seattle, 1931. Inscription: 4196. Embossed: Lester A. Smith, Wenatchee

One (1) photograph of Clyde Pangborn and Hugh Herndon shaking hands with aviator Bert Acosta in front of Bellanca Skyrocket CH-400 "Miss Veedol", 1931. From accompanying materials: Herndon-Pangborn Round-The-World-Flight / Bert Acosta, noted flyer, wishes Hugh Herndon, Jr. (left) and Clyde E. Pangborn, "Happy Landings", before their departure from Roosevelt Field in their Wasp-powered Bellanca Monoplane on the round-the-world-flight in which they seek to lower the record now held by the Graf Zeppelin.

Five (5) copy print photographs of Clyde Pangborn and Hugh Herndon shaking hands with aviator Bert Acosta in front of Bellanca Skyrocket CH-400 "Miss Veedol", 1931.

One (1) photograph of Hugh Herndon (right) handing a piece of equipment to Clyde Pangborn, standing on the Bellanca Skyrocket CH-400 "Miss Veedol" in a hangar in Japan, 1931. Inscription: No 1 Upper - Pangborn, Lower, Herndon; For Opal Pangborn. Stamped: Japanese characters and English text - Attention of the Editor - Kindly see that "RENGO" is given credit as the source of this photo when it is published. The Shimbin Rengo Newsreel Service. From accompanying materials: "Chin" tank to aid trans Pacific fliers / Hugh Herndon, Jr. and Clyde Pangborn, New Yorkers, who got into a "traffic" jam with the Japanese authorities after giving up their attempt to best the time of Post and Gatty, and were delayed more than a month in Tokyo, conceived the idea of an additional fuel tank which they hoped would give them enough gasoline to reach Seattle. When the aviators left New York in July, hoping to encircle the world in less than 8 days, their plane had a gasoline capacity of but 875 gallons -- not quite enough for the 4,450 mile hop from Japan to Puget Sound. The aluminum "chin" tank, of irregular shape is behind the propeller and just under the motor. It holds fifty gallons. Further back on the plane is the "belly" tank, with a capacity of 136 gallons. The new "chin" tank, prior to receiving a coat of paint, shows plainly in photo.