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Old 14th May 2021, 3:05 pm   #23
Bufo Bill
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Join Date: Jan 2016
Location: Wolverhampton, West Midlands, UK.
Posts: 535
Default Re: HP 180A Oscilloscope.

Looks ceramic to me Dave, great big thing, flat like a "nice" biscuit. The whole top corner is black and the outer layer is burned away there. It is mounted on what looks like a printed circuit board so I can't see what it connects to underneath.
Bill.
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