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Re: relic unknow
The theories about this item are interesting. Attached is the envelop that these come in. My German Dictionary translation is: Accessory for Radio direction indicating apparatus 3 - Deviation curve full plate.
This went into the rear of the large repeater compass carried by most mult-engined aircraft. A pin would scratch the trace into the painted surface for a permanent record. The markings on the plate go from 0° to 360° with deviations from + 30 to -30
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von Lutz
Richard P. Lutz, Jr.
Last edited by von Lutz; 10th February 2007 at 17:36.
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