![]() NPS About This BlogThrough Around the Horn, the San Francisco Maritime National Historical Park hopes to keep visitors informed on projects that might impact their voyage and enlightened by stories from our past. Sit back, relax, and enjoy the journey! Masks of 1918 and Today
December 02, 2020
Did you know that the humble face mask, that uncomfortable bit of cloth that we love to hate, was invented in its current form and tested back in 1918? |
Last updated: December 10, 2020