roundrect -10 0 95 140 20 20
label 20 130 M
*
rectangle 2 17 24 23
rectangle 2 37 24 43
rectangle 2 57 24 63
moveto -20 20
lineto 2 20
moveto -20 40
lineto 2 40
moveto -20 60
lineto 2 60
*
moveto 24 20
lineto 26 20
moveto 24 40
lineto 26 40
moveto 24 60
lineto 26 60
lineto 26 20
*
solidpen 192 192 192 5
moveto 70 40
lineto 100 40
solidpen 0 0 0  0
ellipse 30 20 70 60
*torque meting
solidpen 255 0 0 0
rectangle 87 40 93 42
moveto 90 42
lineto 90 100
lineto 100 100
*field winding
ellipse 30 110 50 130
moveto 25 118
lineto 30 120
lineto 25 122
moveto -20 120
lineto 50 120
rectangle 40 37 60 43
moveto 40 110
lineto 40 40
moveto 40 130
lineto 40 135
lineto 60 135
lineto 60 40
label 0 110 I_F