Contents of an Envelope to Norman Alderslade Esq Leave a Reply Letters from the Joan Hackworth Weir Collection 4 The Locomotive and Railway System A Letter from the London Daily Chronicle September 29th 1885 Who Invented the Steam Blast? To the Editor of the Northern Echo by J.W. Hackworth January 12th 1876 There are 2 copies of this in the the envelope and multiple copies elsewhere in the collection.