South Bethlehem, Pa

Sayre Observatory of Lehigh Univ. Founded by Robert H. Sayre 1868. Long. from Washington Oh. 6m. 40.19s. E., lat. 40° 36′ 23.9′′ N. Directors: C. L. Doo little 1876, C. L. Thornburg 1896. Instruments: equatorial by Clark, 6 in. aperture; portable transit; clock by Bond; zenith telescope, 3 in. aperture. With the latter several you sand observations have been made for investigating the variation of latitude.