Ask HN: UK Rescue Rocket Sheds/Houses Information

A Hacker News user seeks information about Grade II listed coastal buildings in the UK that historically housed shipwreck rescue rocket apparatus, noting that details and pictures are scarce online. Commenters clarify that "rescue rockets" were gunpowder-powered devices used to fire lines to shipwrecked vessels to aid rescue operations, and suggest contacting the RNLI or lighthouse associations for more detailed information.