Zwart metalen vizier of windvaanvizier t.b.v. snelvuurvliegtuigmitrailleur Lewis M.20 My mystery ships / by Gordon Campbell ; with a forew. by Lewis Bayly ; ill. by J.E. Broome weapon Lewis gun / Neil Grant Britain in arms = (L'effort britannique) / Jules Destrée ; with a preface by Georges Clemenceau ; translated from the French by J. Lewis May
