✅ SOLVED green glass balls

[1637]

what are these 1inch round lite green glass balls I keep finding in the desert by the railroad tracks,sorry no pictures

 

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[osage express]

Before reflective paint they used the glass balls in railway signs and stop signs Welcome to Tnet hope this helps

 

[Ant]

They glass marbles to move fright, look up railroad marbles, then mark solved.

 

[Ant]

Here I did it for you, my team is down in points:
Railroad Marbles - Railroadiana Online

 

[1637]

that's really cool infor thanks brad