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Timeline for The Fraunhofer Measure

Current License: CC BY-SA 3.0

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Nov 24, 2012 at 23:25 vote accept Lucas
S Nov 24, 2012 at 23:24 history edited Lucas CC BY-SA 3.0
I think you made a mistake in calculating the conversion.
S Nov 24, 2012 at 23:24 history suggested Jason Davies CC BY-SA 3.0
I think you made a mistake in calculating the conversion.
Nov 24, 2012 at 23:22 comment added Lucas @JasonDavies oops wrong way round :)
Nov 24, 2012 at 22:06 comment added Jason Davies @Qmechanic I think the reference in my answer below clears it up; the Paris inch was probably more common in those days!
Nov 24, 2012 at 22:02 history tweeted twitter.com/#!/StackPhysics/status/272460117696466945
Nov 24, 2012 at 21:59 comment added Qmechanic The "crazy unit" is probably a characteristic lattice length scale (between neighboring atoms in a lattice) for a common material, which was easy to compare diffraction experiments with. So all materials were measured relative to this "standard candle" material.
Nov 24, 2012 at 21:26 comment added Jason Davies I think the original conversion factor in the question was wrong; I've made an edit fixing it.
Nov 24, 2012 at 21:24 review Suggested edits
Nov 24, 2012 at 23:24
Nov 24, 2012 at 21:09 answer added Jason Davies timeline score: 2
Nov 24, 2012 at 19:56 history edited Lucas CC BY-SA 3.0
deleted 2 characters in body
Nov 24, 2012 at 9:02 history asked Lucas CC BY-SA 3.0