by (United States)E.Antebi;by (United Kingdom)O.J.Bird; by (United States)E.A.Peel;by (United Kingdom)T.Holdich; by (United States)E.B.Fry;by (United Kingdom)D.H.Howe; by (United States)E.Kreyszig;by (United Kingdom)R.J.Leigh; by (United States)E.N.Ramsedn;by (United Kingdom)S.J.Smith; by (United States)J.Bobrow;by (United Kingdom)J.W.Corder; by (United States)E.F.Kloin;by (United Kingdom)S.J.Molinsky; by (United States)E.Director;by (United Kingdom)P.Hanks; by (United States)E.K.Co;by (United Kingdom)R.C.Holland; by (United States)E.Geoldin; (United Kingdom)R.Loudon;