illery ▁and ▁cop ious ▁supply ▁of ▁m un itions ▁which ▁he ▁maintained . ▁Four ▁ele ph ants ▁were ▁used ▁to ▁sw ivel ▁it ▁around ▁on ▁its ▁axis . ▁ ▁Now ▁it ▁is ▁located ▁at ▁the ▁Ja ig ar h ▁Fort , ▁Ja ip ur ▁( Ind ia ) ▁at ▁( ). ▁ ▁Techn ical ▁data ▁ ▁The ▁length ▁of ▁the ▁bar rel ▁of ▁the ▁can non ▁is ▁ ▁and ▁it ▁we igh s ▁ 5 0 ▁tons . ▁The ▁circum ference ▁near ▁the ▁tip ▁of ▁the ▁bar rel ▁is ▁ ▁and ▁that ▁of ▁the ▁rear ▁is ▁. ▁ ▁The ▁diameter ▁of ▁the ▁bore ▁of ▁the ▁bar rel ▁is ▁ ▁and ▁the ▁thick ness ▁of ▁the ▁bar rel ▁at ▁the ▁tip ▁is ▁. ▁The ▁thick ness ▁gradually ▁increases ▁as ▁one ▁moves ▁towards ▁the ▁rear ▁of ▁the ▁bar rel . ▁The ▁two ▁thick ▁rings ▁on ▁the ▁bar rel ▁were ▁used ▁for ▁lif ting ▁it ▁with ▁the ▁help ▁of ▁a ▁c rane ▁which , ▁though ▁incomplete , ▁is ▁still ▁lying ▁in ▁Ja ig ar h . ▁A ▁ ▁elev ating ▁sc rew ▁was ▁used ▁for ▁raising ▁and ▁lower ing ▁the ▁bar rel . ▁ ▁The ▁bar rel ▁has ▁fl oral ▁design . ▁An ▁ele ph ant ▁rest s ▁on ▁the ▁tip ▁of ▁the ▁bar rel ▁and ▁a ▁pair ▁of ▁pe ac ock s ▁are ▁car ved ▁in ▁the ▁center . ▁A ▁pair ▁of ▁du cks ▁also ▁decor ates ▁the ▁rear ▁of ▁the ▁bar rel . ▁ ▁Ja ivan ▁rest s ▁on ▁a ▁high ▁two - w