▁of ▁the ▁Roll s - Ro y ce ▁Mer lin ▁from ▁ 1 9 3 9 ▁to ▁ 1 9 4 5 ." ▁A ircraft ▁Engineering ▁and ▁A eros pace ▁Technology , ▁Volume ▁ 1 8 , ▁Issue ▁ 7 . ▁London , ▁MC B ▁UP ▁Ltd ., ▁July ▁ 1 9 4 6 . ▁ISSN ▁ 0 0 0 2 - 2 6 6 7 . ▁ ▁Low rey , ▁Joseph . ▁" A ▁Case ▁For ▁Standard isation : ▁P uzz le ▁of ▁the ▁Bo ost ▁G au ge ; ▁British ▁Unit ▁an ▁An ach ron ism : ▁" Cent ib ar " ▁S ugg ested " ▁( article ▁and ▁images ). ▁Fl ight ▁and ▁the ▁A ircraft ▁Engine er ▁No . ▁ 1 8 2 3 , ▁Vol ▁X LI V , ▁ 2 ▁December ▁ 1 9 4 3 . ▁ ▁Morgan , ▁Eric ▁B ▁and ▁Edward ▁Sh ack l ady . ▁Sp it fire : ▁The ▁History . ▁St am ford : ▁Key ▁Books ▁Ltd , ▁ 2 0 0 0 . ▁. ▁ ▁Price , ▁Alfred . ▁Late ▁Mar que ▁Sp it fire ▁A ces ▁ 1 9 4 2 – 1 9 4 5 . ▁Oxford , ▁UK : ▁O sp rey ▁Publishing , ▁ 1 9 9 5 . ▁. ▁ ▁Price , ▁Alfred . ▁Sp it fire ▁Mark ▁I / II ▁A ces ▁ 1 9 3 9 – 4 1 . ▁London : ▁O sp rey ▁A eros pace , ▁ 1 9 9