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Fox's Mercantile Fox's Mercantile is offline
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Default Marantz Model 19 Scope

On 5/4/19 9:29 AM, Chris Jones wrote:
So, to maximise the benefit and minimise the harm, medical x-ray
machines use relatively high voltages and are also required to include a
filter equivalent to a certain thickness of aluminium in the beam path
between the tube and the patient.


While working at ScanRay (airport baggage equipment) it was a
"you learn something new, everyday" when I learned they used
aluminum for lenses.
Unless you work with this stuff, it just doesn't occur to you.

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Jeff-1.0
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