"ɹˈeɪtʃəl" ɪz ɐ twˈɛnti" ɹᵻfɹˈæktɚ tˈɛlᵻskˌoʊp twˈɛnti ˈeɪt ˌɛftˈiː fˈoʊkəl lˈɛŋθ, kəmˈɪʃənd ɪn nˈaɪntiːnhˈʌndɹɪd fˈoːɹtiːn fɹʌm wˈɔːɹnɚ ænd swˈɑːsi, wɪð ˈɑːptɪks baɪ dʒˈɑːn bɹˈæʃɪɹ.
"Rachel" is a 20" refractor telescope (28 ft focal length), commissioned in 1914 from Warner & Swasey, with optics by John Brashear.