Thread: Whats this ?
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Old 29th Nov 2021, 1:15 pm   #2
Goldie99
Heptode
 
Join Date: Jul 2014
Location: Boston, Lincolnshire, UK.
Posts: 995
Default Re: Whats this ?
The label says it's a height recorder (barograph) - beyond that, I know nothing about it, but it'll get you started...

Alan
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