What is this thing?

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mykl@lemmy.world

Found in the floor of my basement, about 10 inches down. House was built in 1954. (lemmy.ca)

submitted 11 months ago by Xyphius@lemmy.ca to c/whatisthisthing@lemmy.world

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No idea what this is or what the letters might be.

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[–] amansman@sh.itjust.works -2 points 11 months ago (1 children)

No harm in spinning the bolts out I wouldn't think. If it's sewer maybe it's covering a conventional looking plug cap.

[–] Son_of_dad@lemmy.world 18 points 11 months ago (1 children)

If it's pressurized there could be harm

[–] greyhaven7@lemmy.world 2 points 11 months ago

Especially if it is suage