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eBay words: GeoMagnetic (EMR) Unit This unit features a large conical yellow shell (possibly fiberglass or plastic). The base of the shell has one main central bolt surrounded by a metal disc that features two bolts for attaching this unit to something else (I don't know what). That disc with bolts is adjusted in height by 3 bolts that lead into the interior of the unit. There is also one ten pin (male) connector threaded on the exterior base and two metal side plates (use unknown) Interior of unit has three brown rods that that are set up directionally with each one facing a different way These three rods are held in by a solid plastic base with plastic adjustable screws for easy removal of each. There is multi-colored fine wiring connected to the two lower rods. Each rod reads: 35181-51079 with an arrow painted at one end. I do not know what this unit does specifically but judging by the GEOMAG sticker, it must be related to magnetic studies somehow. If anyone out there knows what it is specifically used for, I'd love to know!! It is untested but seems to be in very good condition in the interior with some scratches to the outer yellow housing. Very interesting unit!!The eBay seller is in Canada and the letters EMR show up a lot in relation to Canadian web pages for the Earth's Magnetic field.
A Canadian company called CAE has a CAGE code of 35181 and may have made the sensor rods. But has no relation.Made by EDA of Canada, now out of business. Is a fluxgate type.
Information about this sensor that would allow making it operational, assuming it still works.
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Wanted this Control box
Fluxgate Magnetometer
Model FM-100
manufactured by
EDA Electronics, LTD
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