<http://schema.org/description>
"Dia. of bells (2) 46 and 51mm.\nStrikes once on half hour and count each hour.\n Required mounting space 140mm height, 140mm width, 100mm depth.\n\nOther Grandmother Clock Movements available."^^<http://www.w3.org/2001/XMLSchema#string>
<http://hobby.uk.com/clocks/chime-movements/g-mother-bell-chime-movement.html>