Neil Armstrong's LM PPK contained a bit of wood through the Wright brothers' 1903 Wright Flyer's still left propeller as well as a piece of cloth from its wing,[eighty one] in addition to a diamond-studded astronaut pin initially offered to Slayton from the widows of the Apollo one crew. https://energy-harvesting-design20741.getblogs.net/64315774/how-apollo3-can-save-you-time-stress-and-money