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Some time ago I bought a Bergeon micrometre (and a Seitz jewelling tool) to be able to replace damaged jewels. The micrometre works perfectly down to the exact hundredth of a millimetre but trying to measure my first jewel I bumped into a very unexpected problem; the height adjustable round table fouls the spindle (circled in red). I don’t think, or rather I hope, that the micrometre isn’t out of order and can be adjusted so that the spindle does not bump into the table. But searching high and low I just can’t find any documentation or user manual for this type of micrometre. Being a hobbyist having spent a small fortune on these tools, this situation is very frustrating. So, the question is, what can I do to adjust my micrometre? As I have no clue what the various parts of the micrometre are named, I have given the various parts in the pictures a letter (in yellow) so that if anyone who knows how do this (and takes pity on me ) more easily can guide me. Keeping my fingers crossed. Hard!