▁layers ▁of ▁w adding , ▁and ▁ 1 3 ▁to ▁ 1 4 ▁sl ugs . ▁ ▁The ▁weapon , ▁built ▁of ▁wood ▁and ▁metal , ▁was ▁constructed ▁in ▁a ▁room ▁over looking ▁the ▁street ▁on ▁the ▁third ▁floor ▁of ▁N . ▁ 5 0 ▁Bou lev ard ▁du ▁Temple , ▁where ▁it ▁was ▁later ▁used ▁for ▁the ▁failed ▁assass ination ▁of ▁Louis ▁Philippe ▁I . ▁The ▁bar rel s ▁were ▁mounted ▁side - by - side ▁with ▁each ▁touch ▁hole ▁in ▁line ▁with ▁the ▁next . ▁In ▁combination ▁with ▁a ▁trail ▁of ▁gun pow der , ▁the ▁bar rel s ▁could ▁all ▁be ▁fired ▁at ▁once ▁with ▁a ▁single ▁f use ▁( in ▁F ies chi ' s ▁case , ▁char co al ▁was ▁used ). ▁The ▁weapon ▁was ▁measured ▁by ▁Le ▁Page ▁to ▁be ▁approximately ▁ ▁in ▁length ▁and ▁width ▁and ▁ ▁high . ▁ ▁French ▁art illery ▁officers , ▁who ▁ins pected ▁the ▁machine ▁after ▁the ▁assass ination ▁attempt , ▁spec ulated ▁that ▁if ▁F ies chi ▁had ▁been ▁an ▁art illery ▁man ▁or ▁otherwise ▁known ▁more ▁about ▁design ing ▁weapon ry , ▁he ▁would ▁have ▁been ▁successful ▁in ▁his ▁assass ination ▁attempt ▁of ▁the ▁king ▁and ▁his ▁staff . ▁Had ▁he ▁constructed ▁it ▁so ▁that ▁the ▁gun fire ▁diver ged ▁and ▁crossed ▁as ▁opposed ▁to ▁the ▁parallel ▁and ▁conver ging ▁implementation , ▁the ▁attack ▁might ▁have ▁killed ▁up ▁to ▁ 2 0 0 ▁additional ▁people ▁and ▁" liter ally ▁torn ▁the ▁King ▁and ▁his ▁staff ▁to ▁pieces ". ▁