At Bedales the duties of headmaster left him little time for teaching , though he was able to teach a small 6th form Physics class .
He spent what time he could , particularly in the school holidays , further developing teaching apparatus .
At Bedales the duties of headmaster left him little time for teaching , though he was able to teach a small 6th form Physics class , but he spent what time he could , particularly in the school holidays , further developing teaching apparatus .