Gregory, Eyles and Waring
of 12, Deans Yard, Westminster, S.W.
See also Gregory and Eyles
Charles Hutton Gregory, George Lancelot Eyles and Francis John Waring
1909 The consulting engineers for the Federated Malay States railways are Messrs. Gregory, Eyles and Waring.[1]
1910 The consulting engineers for the Johore Railway are Messrs Gregory, Eyles, and Waring.[2]