"Acquired byDorman Long, liquidated" . "1864" . . "1840" . . . . "Bolckow, Vaughan" . . "Bolckow, Vaughan and Co" . "Bolckow Vaughan & Co" . . . . . . "Bolckow, Vaughan" . "Bolckow, Vaughan & Co" . . "Bolckow, Vaughan & Co., Ltd" . . . . .