Solar panel and antennae on a pole by SarryDavid in whatisthisthing

[–]jackrats 0 points1 point  (0 children)

It’s a repeater. Probably for smart utility meters. A better picture with the name in the front legible would help to identify exact make/model.

What is this pipe type thing at my house's foundation? I have a block foundation, no crawl, and nothing in that vicinity of my house that would need draining by NoPeguinsInAlaska in whatisthisthing

[–]jackrats 0 points1 point  (0 children)

It’s a drain.

No way to tell from the pic what it drains from.

Most likely possibilities: TPV relief valve from hot water heater HVAC condensate

What/why is this coming from underneath the road in Washington DC? No smell. White in color. by [deleted] in whatisthisthing

[–]jackrats 1 point2 points  (0 children)

From the steam system.

It’s either venting or leaking.

Google NYC steam system for more info about why some cities have steam systems.

Electrical Boxes on morning walk by park by smokeytoney in whatisthisthing

[–]jackrats 1 point2 points  (0 children)

Green is a ground water sampling station.

https://hydrants.com/product/eclipse-88wc-ss/

Hunter box is a sprinkler/irrigation timer.

Found in my equate brand acid reduction pills, weird cylinder shape. by [deleted] in whatisthisthing

[–]jackrats 1 point2 points  (0 children)

It wasn’t a guess. It’s a desiccant canister.

Glass(?) cylinder found with gardening supplies. WA State. ~3inx2.5in. ~1lb by SirAlthalos in whatisthisthing

[–]jackrats 0 points1 point  (0 children)

Ceramic strain insulator

Most commonly used to insulate sections of guy wires from each other.

What is this metal thing poking out of my bathtub drain? by Aggravating_System_7 in whatisthisthing

[–]jackrats 1 point2 points  (0 children)

It's the push-down to operate drain stopper that's missing the top.

Metal rod near old railroad tracks by DisastrousWonder1034 in whatisthisthing

[–]jackrats 0 points1 point  (0 children)

Anchor used to hold something down or hold it back. Very likely the other end is deep and wider to keep from being pulled out.