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29 Dec 2018 [12:06]
repositioned the orange Wyler level - it had fallen off it's magnetic supports - again! I glued the magnets on more carefully - with balsa cement. In doing so Iknocked the E-W vial which I re-leveled, repositioned and rotated. It too seems to be migrating. The other two vials seem to be OK on level, but rotating. I re-oriented them all and put some balsa cement on each of the vials.
29 Dec 2018 [12:05]
29 Dec 2018 [12:00]
GCR=50.01s on lower layer

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