[multiweb (Marc)]

Originally Posted by gary

The yellowing strip-chart Apollo 11 seismogram the article has an image of
is a wonderful artefact.

https://spectrum.ieee.org/image/MzE4MDYzMw.jpeg

It has been annotated with various events, including the registering of
Aldrin's footfall after he has deployed the unit and walks away as well as
the vibrations of PLSS #1 and then PLSS #2 hitting the lunar surface
after both are tossed out the hatch to save wait prior to ascent.

That is very cool.