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Almost A Marble Item. It's In The Family.


Steph
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Any of ya'll seen these before? This is from the Aug. 1936 popular science. It has small "reflector buttons". "Reflector button" seems to be the industry's name for the individual mounted reflecting units like those in signs and auto reflectors. So some reflecttor buttons had marbles. But in this case the patent called for something more like "gems". Red ones.

1936_Aug_PopSci_ReflectorSafetyBelt.jpg

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