"This is some kind of measuring tool. The wheel on the bottom spins as you run it across a surface and the dial spins. Not sure what it’s measuring or what measurement it uses. Anyone have any idea what this thing is used for?"
A: "It’s an opisometer, also called a curvimeter, meilograph, or map measurer. It measures a curved line (on a map) and allows you to translate the map’s scale to the distance the route covers."
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Mellia 4 year s ago
I look forward to these types of posts. Love it!
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Cissy 4 year s ago
I agree! These are fascinating...more please!!!
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Michael 4 year s ago
#15 Slide plate for a 15 class sewing machine, slides open so you can change the bobbin.
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Sinah 4 year s ago
#20 I saw one of these many years ago. Was told they were supposed to scare deer away so they wouldn't be in the road so you'd hit them with your car. Willing to bet it doesn't work and is more of a scam to rid you of a few bucks. (pardon the pun!)
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Patricia 4 year s ago
Quote: Sinah
automatic hydrant flusher
Doh !
Doh !