It says "fluxgate magnetometer" on the case so its for measuring the earths
magnetic field, or other magnetic fields.
Dave
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From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Adrian Stoness
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Subject: weird rack unit
anyone ever seen one of these?
has a motorola 6800 date coded 1976 on it
https://www.flickr.com/photos/1ajs/50199901793/in/dateposted-public/
https://www.flickr.com/photos/1ajs/50200714992/in/dateposted-public/
https://www.flickr.com/photos/1ajs/50199903443/in/dateposted-public/
https://www.flickr.com/photos/1ajs/50200713557/in/dateposted-public/
prityy obscure no model markings on the case. the rack its in has handles for
carying so it might of flown around in a plane as part of a kit for doing
geophysical not sure though