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Old 2nd Oct 2018, 12:02 am   #19
McMurdo
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Join Date: Jun 2009
Location: Staffordshire Moorlands, UK.
Posts: 5,263
Default Re: "High Frequency Therapeutic Apparatus".

I've just googled it, they still make those big machines; except instead of a wind-up timer, they have an lcd touch screen.

I've fixed those rf heaters that are used to cure glue inside furniture joints. A quite modern bit of kit but with 2 great valves inside. If you turn them up too hight the wood sparks a bit.
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