PS
# `Potentiometers.m4'
cct_init

 down_
 P: potentiometer(down_ dimen_)
   "\tt `potentiometer'(down\_ dimen\_)" wid 1.9 at P.End +(0,-0.30)
   "\sl Start" ljust at P.Start
   "\sl End" ljust at P.End
   "\sl T1" below ljust at P.T1

 R: potentiometer(down_ dimen_,,0.5,-5mm__) \
     with .Start at P.Start + (1.7,0)
   "\tt ...(down\_ dimen\_,{,}0.5,-5mm\_\_)" at R.End +(0,-0.12)
   "\sl Start" ljust at R.Start
   "\sl End" ljust at R.End
   "\sl T1" below rjust at R.T1

 Q: potentiometer(down_ dimen_,,0.25,-5mm__,0.75,5mm__) \
     with .Start at R.Start + (1.7,0)
   "\tt ...(down\_ dimen\_,{,}0.25,-5mm\_\_,0.75,5mm\_\_)" at Q.End+(0,-0.30)
   "\sl Start" ljust at Q.Start
   "\sl End" ljust at Q.End
   "\sl T1" below rjust at Q.T1
   "\sl T2" below ljust at Q.T2

PE