4 ms·
Since ‘wigwag’ is not a term I know, here’s some info: https://en.wikipedia.org/wiki/Wigwag_(railroad) https://en.wikipedia.org/wiki/Wigwag_(railroad)
by petecooper 5y ago
Since ‘wigwag’ is not a term I know, here’s some info:
https://en.wikipedia.org/wiki/Wigwag_(railroad) https://en.wikipedia.org/wiki/Wigwag_(railroad)