Terms for subject Chemistry containing clock

English	German
clock-and-ratchet wheel	Sperr-rad
clock controller	Zeituhr
clock controller	Kontrolluhr
clock glass	Uhrenglas
clock glass	Uhrglas
clock ignition	Zünduhr
clock ignition	Schaltuhr
clock meter	Uhrwerkzähler
clock work	Uhrwerk