38 
ME. S. W. J. SMITH ON THE THERMOMAGNETIC ANALYSIS OF 
winding o£ the meteoric ring there were 34 turns of wire in the primary and 55 turns 
in the secondary, the diameters of the wires being 0‘039 centim. and 0 - 033 centim. 
/1m peres . 
respectively. In the second winding the numbers of turns were 31 and 51 respectively. 
In the case of the nickel steel ring the primary had 30 turns and the secondary 51, 
and each consisted of wire 0;032 centim. in diameter. 
