In McTeague, Norris references a later version of the kinetoscope which projected an image for an audience rather than the “peephole” model which was intended for a single viewer.
Here are some early short films produced by Thomas Edison’s company that are contemporaneous with McTeague:
Given Mac’s remarks, however, he and Trina were watching examples of an early genre of cinema, the actuality, a non-fiction scene from everyday life. For instance: