hiː ˈɔːlsoʊ bˈɪlt ɐ sˈɪksˈɪntʃ tˈɛlᵻskˌoʊp wɪð ɐn ᵻlˈɛktɹɪkəl dɪvˈaɪs wˌɪtʃ ɛnˈeɪbəld hˌɪm tə fˈɑːloʊ ðə pˈæθs ʌv stˈɑːɹz.
He also built a six-inch telescope with an electrical device which enabled him to follow the paths of stars.