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Feb 19, 2022 at 4:19 comment added Organic Marble That's very interesting.
Feb 18, 2022 at 22:45 comment added uhoh +1 and welcome to Space! This is really interesting; I've added a few more links, I hope you don't mind. You are welcome to edit further. If you like you could post a new question asking for more details about the extent of usage of sealed, steel flotation balls as fill in early capsules. It's very possible that folks here could do a better job than what the collectspace discussion could come up with.
Feb 18, 2022 at 22:38 history edited uhoh CC BY-SA 4.0
added 146 characters in body
Feb 18, 2022 at 22:31 review Late answers
Feb 18, 2022 at 22:56
S Feb 18, 2022 at 22:12 review First answers
Feb 18, 2022 at 22:56
S Feb 18, 2022 at 22:12 history answered Kathy CC BY-SA 4.0