Neil Armstrong's LM PPK contained a bit of wood in the Wright brothers' 1903 Wright Flyer's still left propeller in addition to a bit of material from its wing,[81] in addition to a diamond-studded astronaut pin originally specified to Slayton because of the widows in the Apollo one crew. https://directory-url.com/listings12696906/the-basic-principles-of-ambiq-micro-singapore