Robert Kaye Gray
发表
W. M. Mordey,
W. Cramp,
Ron Hammond,
.
L. Gaster,
H. A. Mavor,
Ron Hammond,
1903
.
W. E. Ayrton,
Robert Kaye Gray,
W. Dudell,
1904
.
W. H. Preece,
H. C. Donovan,
Douglas C. Morton,
.
A. P. Trotter,
R E B Crompton,
W. E. Ayrton,
1905
.