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To: blueplum

I can’t imagine doing this without some sort of magnification.


22 posted on 11/08/2017 6:23:49 PM PST by sparklite2 (-)
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To: sparklite2

>I can’t imagine doing this without some sort of magnification.

Both the Egyptians and Romans used water-filled glass bulbs for magnification. Not as convenient spectacles, but much easier to manufacture.


78 posted on 11/09/2017 11:11:40 PM PST by JohnyBoy (The GOP Senate is intentionally trying to lose the majority.)
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