Application des imaginaires au Calcul vectoriel. By J.-B. Pomey. Pp. vi, 70, 20 fr. 1933. (Gauthier-Villars)

1933 Mathematical Gazette  
On this second slide also is provided the log.-log. scale, a B scale which is marked both L and KTV, a scale marked Dynamo nlot'or and a scale marked Volt Loss. The Dynamo scale and the Motor scale are used in conjunction with the scales A and B, renamed for convenience HP and K IY respectively, for determining efficiencies of dynamos and motors, while scale L and the Volt-Loss scale are for use with A, which gives the area of cross-section of the lead in square millimetres. Very detailed
more » ... ctions are issued mith the instrument, and no average
doi:10.1017/3606550 fatcat:zwdftflo6zdondmjw64jqfks7a