,   j '' '] th ▁stat istic ▁ ▁range ▁[ i ,   j ] ▁= ▁the ▁high ▁limit ▁minus ▁the ▁low ▁limit ▁of ▁the ▁[ i ,   j ' '] th ▁stat istic ▁ ▁See ▁also ▁ ▁Re flow ▁sol der ing ▁ ▁W ave ▁sol der ing ▁ ▁Notes ▁ ▁Category : Stat ist ical ▁distance ▁Category : E lect ron ics ▁manufact uring ▁Category : B raz ing ▁and ▁sol der ing ▁Category : Qual ity ▁control <0x0A> </s> ▁A ▁B iss ell ▁or ▁B iss el ▁tr uck ▁( also ▁B iss el ▁bog ie ▁or ▁P ony ▁tr uck ) ▁is ▁a ▁single - ax le ▁bog ie ▁which ▁p iv ots ▁towards ▁the ▁centre ▁of ▁a ▁steam ▁locomot ive ▁to ▁enable ▁it ▁to ▁negoti ate ▁curves ▁more ▁easily . ▁ ▁In vent ed ▁in ▁ 1 8 5 7 ▁by ▁ ▁and ▁usually ▁then ▁known ▁as ▁a ▁p ony ▁tr uck , ▁it ▁is ▁a ▁very ▁simple ▁and ▁common ▁means ▁of ▁design ing ▁a ▁carrying ▁wheel . ▁ ▁Name ▁variants ▁ ▁A ▁p ony ▁tr uck ▁in ▁railway ▁termin ology , ▁is ▁a ▁leading ▁tr uck ▁with ▁only ▁two ▁whe els . ▁ ▁Its ▁in vention ▁is ▁generally ▁cred ited ▁to ▁B iss ell , ▁who ▁de vised ▁one ▁in ▁ 1 8 5 7 ▁and ▁pat ented ▁it ▁the ▁following ▁year . ▁Hence ▁the ▁term ▁B iss el ▁bog ie , ▁B iss el ▁tr uck , ▁or ▁B iss el ▁ax le ▁is