.\" Circuits components
.PS
lineht = 0.25
linewid = 0.25
define batt {move down .1; line up .2; move down .1
             move right .05 down .03333;
	     line up .066666; move down 0.03333;
	     move left .025 down .2; "$1"
	     move up .2 right 0.025;}
define cap {move down .05; line up .1; move down .05
            move right .05 down .05;
	    line up .1; move down .05; move left .025 down .15; "$1";
	    move up .15 right 0.025;}
define point {circle radius .0175 fill 1 at last line .end
              "$1" above at last circle .n
	      "  $2" ljust at last circle .w
	      "$3" below at last circle .s
	      "$4  " rjust at last circle .e
	      move to last circle}

.PE