گیمز
ایپس
موویز اور ٹی وی
کتابیں
بچے
google_logo Play
گیمز
ایپس
موویز اور ٹی وی
کتابیں
بچے
none
search
help_outline
Google کے ساتھ سائن ان کریں
play_apps
لائبریری اور آلات
payment
ادائیگیاں اور سبسکرپشنز
reviews
میری Play سرگرمی
redeem
پیشکشیں
Play Pass
settings
ترتیبات
رازداری کی پالیسی
•
سروس کی شرائط
گیمز
ایپس
موویز اور ٹی وی
کتابیں
بچے
ای بُکس
A Treatise on Practical Astronomy: As Applied to Geodesy and Navigation
مفت
Results of Observation with the Zenith Telescope of the Sayre Observatory from April 1, 1876, to December 27, 1893: Read April 4, 1902
مفت
Results of Observations with the Zenith Telescope of the Sayre Observatory, from January 19, 1894, to August 19, 1895: Read Before the American Philosophical Society, October 19, 1900
مفت
A Treatise on Practical Astronomy, as Applied to Geodesy and Navigation
مفت
Results of Observations: With the Zenith Telescope of the Sayre Observatory, from April 1, 1876, to December 27, 1893
مفت
Results of Observations with the Zenith Telescope of the Flower Astronomical Observatory: From October 1st, 1896 to August 16th, 1898
مفت
Results of Observations with the Wharton Reflex Zenith Tube and the Zenith Telescope of the Flower Astronomical Observatory from January 9, 1904, to December 3, 1906: 1907-1915
مفت
Results of Observations with the Zenith Telescope of the Flower Astronomical Observatory from September 6, 1898, to August 30, 1901: 1899-1905
مفت