Complex sentence: He also designed and made specialised projectors such as the Stereopticon and the Skyopticon which he used to provide arresting moving lighting effects during performances of his vaudeville acts, including the clever serpentine dancer, Mlle.
Split into simpler sentences: He also designed and made effects projectors such as the Stereopticon and the Skyopticon. He used these to provide arresting moving lighting effects during performances of his vaudeville acts, including the clever serpentine dancer, Mlle.