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All Discussions Tagged 'Balloon' (8)

Discussions Replies Latest Activity

Explorer II Dowmetal Commemorative Coin

3/16 of an inch; this was the total thickness of Dowmetal that protected the balloonist from the uncertainties of the stratosphere during t…

Started by Charles Gannon

7 Oct 21, 2014
Reply by Charles Gannon

National Geographic Society - Army Air Corps Stratosphere Balloon Flight Collectibles

With an agreement in place with the U. S. Army Air Corps and contracts with the Goodyear Zeppelin Co. to fabricate the balloon and the Dow…

Started by Charles Gannon

2 Jun 6, 2010
Reply by Charles Gannon

National Geographic Society - Army Air Corps Stratosphere Balloon Flight Collectible Commemorative Mail

Continuing the postal theme of last week's discussion on the Collectibles and Souvenirs of the National Geographic Society - U. S. Army Air…

Started by Charles Gannon

0 Apr 18, 2010

National Geographic Society - Army Air Corps Stratosphere Balloon Flight Collectibles - Stratosphere Mail

Along with the small National Geographic Society presentation Flags (discussed in last week's posting), a packet of "Stratosphere Mail" was…

Started by Charles Gannon

1 Apr 15, 2010
Reply by Scott T. Shier

National Geographic Society - Army Air Corps Stratosphere Balloon Flight Collectibles

In the first three installments of the series on the Souvenirs and Collectibles of the National Geographic Society - Army Air Corps Stratos…

Started by Charles Gannon

3 Apr 5, 2010
Reply by Charles Gannon

Souvenirs and Collectibles of the Explorer Balloon Flights

In the first installment of the Souvenirs and Collectibles of the National Geographic Society - U. S. Army Air Corps Stratosphere Balloon F…

Started by Charles Gannon

2 Mar 24, 2010
Reply by Charles Gannon

Explorer II Balloon Bookmark

SOUVENIR OF STRATOSPHERE FLIGHT AVAILABLE TO GEOGRAPHIC READERS...so announced the National Geographic Society on Page 308 of the February…

Started by Charles Gannon

2 Mar 15, 2010
Reply by Charles Gannon

National Geographic Society - Army Air Corps Stratosphere Balloon Flight Collectibles

When I first became interested in collecting National Geographic, an experienced collector suggested that the first rule of collectiong "al…

Started by Charles Gannon

2 Mar 15, 2010
Reply by Scott T. Shier

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