Operating theatre with a surgeon using a drill, Bronglais Hospital, Aberystwyth. In the foreground left is a covered patient supported by an assistants arm. In the centre are two surgeons, one seated with his left arm placed on the operating table, the other standing and turning an extended 'bit and brace' drill with both hands. In the background is another assistant, two large lamps, a drip bag, machinery and tiled walls. Black and white image with a range of tones