National Museum of American History

This disentanglement puzzle consists of two entangled bent nails that are to be separated.A solution to the puzzle is given in a 1920 A.C. Gilbert publication cited below.

Smithsonian National Museum of American History - WanderDisney

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Smithsonian National Museum of American History : Washington DC

Presente! exhibit opens on the National Mall in Washington D.C : NPR

Kid Friendly Guide: National Museum of American History - Sunshine Whispers

About National Museum of American History

Smithsonian National Museum of American History – Adventures of the 4 JLs

National Museum of African American History and Culture

National Museum of American History - Carltonaut's Travel Tips

Smithsonian National Museum of American History

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