[ RadSafe ] A long shot here ....

[Ted de Castro]

Probably not - HV too low.  AND the tube is gas filled - NOT vacuum - so 
the electrons would not impinge on the anode at full energy.

On 12/18/2015 11:52 AM, Dan McCarn wrote:
> Dang!
>
> That would mean that my old 5kv at 0.5 amp power supply with a full-wave rectifier consisting of 4 mercury vapor tubes (that glowed so eerily) probably gave me a dose in my teens.
>
> Dan W McCarn
> 108 Sherwood Blvd
> Los Alamos, NM 87544 USA
> +1-505-670-8123
> Sent from my iPhone
>
>> On Dec 18, 2015, at 12:44, Ted de Castro <tdc at xrayted.com> wrote:
>>
>> On page 164 of the 1970 Radiological Health Handbook is a very useful graph entitled "Half-Value layers at Photon from 10 keV to 10 meV".
>>
>> I was looking into electronic ways to interpolate values from the graph but found that the only twp pieces of software that would allow me to get absolute pixel coordinates from the image are Photo Shop or MatLab - I have neither and can't afford either.  (with the pixel coordinates of the 4 corners of the plot and the point of interest - a spreadsheet that would return the value of the point of interest would be a trivial exercise).
>>
>> So - the question here is - does anyone have this plot in a better quality electronic image, or has anyone worked out the data points from which it was compiled or has anyone come up with or found an electronic way to get this information?
>>
>> Thanks
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