Old Tester , Think Tel uses one just like it :)

[Dustydazzler]

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[littlespark]

20 quid? It’s worth that for a collector.

I remember as an apprentice getting a few jolts from the tradesmen, seeing who could spin the handle the quickest.

 

[telectrix]

mine is a later version. got to keep up with the technology here.

 

[brianmoooore]

Still have my hand crank one, and it was in my work vehicle right up to the time I 'retired'.