TY - BOOK AU - Frank,Mark TI - Evolution of tower clock movements and their design over the past 1000 years PY - 2005/// CY - Chicago PB - Mark Frank KW - Tower clocks KW - Design and construction KW - History KW - Antikythera mechanism (Ancient calculator) KW - Clocks and watches KW - Escapements KW - Global KW - towerclock KW - Frank, Mark KW - Towerclock ER -