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 African American History and Culture / Freelon Adjaye Bond/SmithGroup

17 Awesome Things to See at the National Museum of American History - TRIPS TIPS and TEES

The sad & sorry Smithsonian

The Smithsonian's Black-History Museum Will Always Be a Failure and a Success

Smithsonian Institution, National Museum of American History

National Museum of American History, 1 Cent

Smithsonian National Museum of American History

File:National Museum of American History.jpg - Wikimedia Commons

National Museum of African American History and Culture 2023 SEGD Insight Award - SEGD - Designers of Experiences

National Museum of African American History & Culture