Re: BL vs BLB tubes for cyanotype

From: Katharine Thayer ^lt;[email protected]>
Date: 11/17/05-08:05:47 AM Z
Message-id: <408E3422-5773-11DA-B904-001124D9AC0A@pacifier.com>

On Nov 16, 2005, at 7:15 PM, Sandy King wrote:

> Well, not quite 909%. The intended percentage was 90%.
>
> Sandy
>
>
>> Fact is, lots of what we believe to be plain white float glass
>> blocks a high percentage of UV radiation, while others types pass up
>> to 909%.
>>
>>

Darn, I was thinking of sending for some of that glass that could
transmit 900% of light, to use for window panes in my grey grey
climate. ;--)
kt
Received on Thu Nov 17 08:06:35 2005

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