TransactionsPublished under the care of the General Secretary and the Treasurer . V /\ A /\ \ A \ K ^^ \ > Winding ^ \ / \ ^ ^ ^ \ ^ \ / -^ ^^ \ ^ -^ / ^ ^ ^^ J^ \ ^ Pbases 3 -i 2 -3 1-2 3-1 2 -3 l-2 3 -l 2-3 J -2 3-1 2-3 Fig. 13. ^ ^ [Phase 1=0 •2^ |Phase2=-f T, fa^ [Phase 3= L-Vr rPhaBel=+^ ^Q I Phase 3== -/» u I OS. It— , , -- Pos. 2. Fig. 14. Til |—1 1 h i , 1 —I ?,—-. ._. ^ L — - -1 A — -. /?v/ Figs. 10 to 15.

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Keywords: ., bookcentury1900, bookdecade1900, bookidtr, booksubjectelectricity