, ▁B ias , ▁Charlotte , ▁Hart ley , ▁Water ford ▁and ▁Success . ▁The ▁three ▁larger ▁con es ▁were ▁ 1 3 0   ft ▁tall . ▁In ▁ 1 7 7 7 ▁production ▁reached ▁ 1 , 7 4 0 , 0 0 0 ▁bott les ▁per ▁year . ▁B ott les ▁were ▁sent ▁down ▁to ▁the ▁har bour ▁via ▁narrow ▁gauge ▁rail ways ▁running ▁through ▁ ▁t unn els . ▁The ▁t unn els ▁were ▁used ▁as ▁air - raid ▁sh el ters ▁during ▁the ▁Second ▁World ▁War . ▁ ▁The ▁bott les ▁were ▁carried ▁to ▁London ▁on ▁' b ott le ▁slo ops ', ▁slightly ▁smaller ▁than ▁col lier ▁brig s , ▁about ▁ 5 0   ft ▁long . ▁A ▁distinct ive ▁feature ▁was ▁that ▁the ▁main ▁m ast ▁could ▁be ▁lower ed , ▁allowing ▁them ▁to ▁pass ▁under ▁the ▁arch es ▁of ▁old ▁London ▁Bridge . ▁A ▁bott le ▁s loop ▁would ▁make ▁one ▁round ▁trip ▁to ▁London ▁per ▁month , ▁as ▁did ▁the ▁col lier ▁brig s . ▁B ott les ▁were ▁also ▁export ed ▁to ▁Europe . ▁ ▁The ▁bott le works ▁were ▁so ▁large ▁that ▁they ▁contained ▁a ▁market ▁place , ▁a ▁bre wer y , ▁a ▁gran ary , ▁a ▁br icky ard , ▁a ▁chap el , ▁sh ops , ▁public ▁houses ▁and ▁a ▁quar ry . ▁The ▁workers ▁lived ▁in ▁stone - built ▁houses ▁in ▁several ▁streets ▁around ▁the ▁bott le works . ▁In ▁ 1 7 6 8 ▁a ▁ship