Chapter XXIV: Part 1: (For a core of 3.5 in. diam.)

Inductance in Number Length Feet of wire
mil-henries. of turns. in inches. required.
0.10 25 0.46 25
0.16 34 0.63 36
0.20 39 0.72 42
0.25 44 0.81 49
0.40 58 1.07 63
0.60 75 1.38 80
0.80 92 1.70 100
0.85 96 1.78 104
1.00 108 2.00 118
1.20 123 2.28 133
1.80 164 3.03 176
2.00 180 3.33 190
3.00 242 4.48 250
4.00 304 5.62 310
5.00 366 6.77 370
8.00 550 10.20 550