Herbert Tiede

از ویکی‌پدیا، دانشنامه آزاد

Found in articles

(February 7, 1902). [[۶۹](https://books.google.com/books?id=O44CAAAAYAAJ&q=tiede+clock+observatory&pg=RA1-PA219) "On the measurement of time"]. Science.

Found in articles

آونگ

(February 7, 1902). [[۶۹](https://books.google.com/books?id=O44CAAAAYAAJ&q=tiede+clock+observatory&pg=RA1-PA219) "On the measurement of time"]. Science.