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UltravioletPhotography

Vintage Amethyst Glass


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Vintage Amethyst Glass Large Telegraph Insulator Agee 30, in visible light & UV 365nm induced fluorescence.

This sample was made by Australian Glass Manufacturers in 1930.

Colloquially it is called Amethyst Glass, but AGM added manganese dioxide & other ingredients to make the glass insulators tougher, it is similar to Pyrex, but because of Trade Mark restrictions it was called AGEE.

 

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Oh that is cool.

We used to have a couple of old insulators also. Not sure what kind. This because we both used to work in telecom.

 

Thanks for contributing this unusual item.

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Thanks everyone

Yes it is unusual & is not actually small either, it is 110mm in diameter at the base & 140mm high.

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After some limited research, it would appear that this 'Amethyst Glass' was originally made a lighter colour & that after perhaps decades of solar radiation it has 'solarised' to this darker colour ?
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