Wow, that's interesting stuff. They look antique. What was used in the olden days.
Stepping's great.
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Wow, that's interesting stuff. They look antique. What was used in the olden days.
Stepping's great.
Most of them were used between 1920 and 1940. There are a few even older.
Yeah, I can see those were the days. Still, I bet they're still very useful.