Author :
E. Garcke;Gisbert Kapp;Silvanus P. Thompson;J.S. Raworth;A.A. Campell Swinton;W.M. Mordey;T. Rich;A.V. Clayton;G.W.O. Howe;J.S. Peck;M. Gregory;T.L. Miller;J. Frith;K.M. Faye-Hansen;R.B. Slacke;H.W. Wilson;F.H. Bowman;W. Cramp;W.J. Thomas;D. Adamson;T.H.M