Henri BECQUEREL. Autograph manuscript. 1 p. folio. No place - Lot 124

Lot 124
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Estimation :
1000 - 1500 EUR
Henri BECQUEREL. Autograph manuscript. 1 p. folio. No place - Lot 124
Henri BECQUEREL. Autograph manuscript. 1 p. folio. No place or date. Page of calculations with sketches and mathematical developments. "The coefficient g is what I have called K [...]. Now u is close to 1, the index functions are close to each other, so K=g. In XX we find K=1/p2g. 1/g is the source equal to 1 F/4r=s magnetic density = 1/4pg we would have K=4s/p. Let's find out what g must be. For A=-g(Zv'). Z is the magnetic field strength. V' is the current [...]".
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