Victor Rousseau

ray n.	1917 ‘V. Rousseau’ Messiah of the Cylinder x. 110 From each of the conical machines a glare of light shot forth. The Russians wilted and crumpled up. They did not fall; they were rather consumed like lead dropped into fire, and the next line wilted too as the Ray caught them.
ray gun n.	1917 ‘V. Rousseau’ Messiah of the Cylinder xxv. 292 From the conical Ray guns on the enclosing walls swept sheets of blinding flame.
ray gun n.	1917 ‘V. Rousseau’ Messiah of the Cylinder in Everybody’s Magazine July 73/2 There must have been more than a hundred of them, ranging from tiny scout-planes to huge monsters with glow shields round them and projecting conical ray-guns within.