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Comments to #12
All comments (4)
3
1.
Flick 4 year s ago
Great stuff! 
You guys are pretty informative. 
Keep 'em coming! 
Thanks 
You guys are pretty informative. Keep 'em coming! Thanks
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Sydney 4 year s ago
#20 Maybe someone was pouring old oil or paint down that drain. Could easily see something like that eating the resin away.
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Lea 4 year s ago
If you're in Seattle and see groups of #1 it is letting light into the old Seattle underground tour.
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Katelyn 4 year s ago
#11 this could also be a wireless data link between distant buildings. There's probably a similar unit within line of sight.
"What is this piece of metal used for? Found near a train track"
A: "A rail anchor. It goes under the rail, on either side of the tie, and keeps the rail from slowly creeping as trains pass over."
3
1.
Flick 4 year s ago
Great stuff! You guys are pretty informative. Keep 'em coming! Thanks
You guys are pretty informative. Keep 'em coming! Thanks
0
2.
Sydney 4 year s ago
#20 Maybe someone was pouring old oil or paint down that drain. Could easily see something like that eating the resin away.
2
3.
Lea 4 year s ago
If you're in Seattle and see groups of #1 it is letting light into the old Seattle underground tour.
0
4.
Katelyn 4 year s ago
#11 this could also be a wireless data link between distant buildings. There's probably a similar unit within line of sight.