▁in ▁ 1 8 7 7 ; ▁it ▁is ▁govern ed ▁by ▁a ▁ ▁p end ul um ▁esc ap ement , ▁driven ▁by ▁an ▁ ▁weight . ▁The ▁cl ang or ▁esc ap ement ▁is ▁govern ed ▁by ▁a ▁flutter ▁van e ▁assembly ▁and ▁is ▁power ed ▁by ▁a ▁ ▁weight . ▁The ▁Bell ▁was ▁cast ▁by ▁M ene ely ▁& ▁Kim ber ly ▁in ▁T roy , ▁New ▁York . ▁Every ▁week ▁the ▁maintenance ▁workers ▁asc end ▁the ▁tower ▁to ▁wind ▁the ▁movements . ▁Local ▁authors ▁have ▁featured ▁the ▁clock ▁in ▁numerous ▁stories . ▁ ▁See ▁also ▁National ▁Register ▁of ▁Historic ▁Places ▁list ings ▁in ▁Es sex ▁County , ▁Massachusetts ▁ ▁References ▁ ▁Category : City ▁and ▁town ▁h alls ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Massachusetts ▁Category : G overn ment ▁buildings ▁completed ▁in ▁ 1 8 7 6 ▁Category : M useum s ▁in ▁Es sex ▁County , ▁Massachusetts ▁Category : Mar itime ▁museum s ▁in ▁Massachusetts ▁Category : Mar ble head , ▁Massachusetts ▁Category : C lock ▁to wers ▁in ▁Massachusetts ▁Category : National ▁Register ▁of ▁Historic ▁Places ▁in ▁Es sex ▁County , ▁Massachusetts ▁Category : H istor ic ▁district ▁contrib uting ▁properties ▁in ▁Massachusetts ▁Category : Ind ivid ually ▁listed ▁contrib uting ▁properties ▁to ▁historic ▁districts ▁on ▁the ▁National ▁Register ▁in ▁Massachusetts <0x0A> </s> ▁Süd lo hn ▁is ▁a ▁municipality ▁in ▁the ▁district ▁of ▁B ork en ▁in ▁the ▁north western ▁part ▁of ▁North ▁Rh ine - West phal ia , ▁Germany . ▁It ▁is