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    Kollsman Type 106C U.S. Navy MK IX Aircraft Compass
    From: Pyndan Wulffe
    Date: 2020 May 18, 22:23 -0700

    I have recently acquired a U.S. Navy MK IX Aircraft Compass made by Kollsman Precision Aircraft Instruments. As it is in dire need of cleaning and repair, I have been trying to find out any information that I can about it.

    The information I am looking for specifically is:

    1. What is the fluid that the compass indicator floats in? It was empty when acquired and I would like to refill it.

    2. What is the voltage for the illumination? I would like to function test the lamp and perhaps set it up as a static display.

    Thanks in advance for any assistance on this as it is much appreciated!

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