Update README.md

README.md

@@ -15,9 +15,9 @@ Magnet wire is inexpensively available in a variety of gauges, and the integral
 
 Three phase actuators in multiple configurations:
 
-<img src='img/spreadcoils.jpg' height=250px>
-<img src='img/three-phase.jpg' height=250px>
-<img src='img/three-phase-2.jpg' height=250px>
+<img src='img/spreadcoils.jpg' height=220px>
+<img src='img/three-phase.jpg' height=220px>
+<img src='img/three-phase-2.jpg' height=220px>
 
 Planar magnetic speakers (<a href='https://gitlab.cba.mit.edu/calischs/speaker-plotting'>my session for How to Make wildcard week</a>):