 | 1789 - 688 páginas
...as the original. The latter part of >Ir Harrifon's life was employed in making a fifth time keeper, on the fame principles with the preceding one, which at the end of a ten years trial, 1771, m the King's private Obfcrvatory at Richmond, erred only four féconds and a half. In I77J he publimed... | |
 | Edmund Burke - 1794 - 610 páginas
...latter part of Mr. Harrifon's life, was employed in making *fifthimpri<uedTime-keef>tr, on the lame principles with the preceding one ; which at the end of a ten weeks trial, in 1772, at the king's private obfervatory at Richmond, erred only 4^ feconds. Within... | |
 | John Noorthouck - 1776 - 406 páginas
...original. The latter part of Mr. Harrilbn's life, was employed i» making a fifth improved Time keeper, on the fame principles with the preceding one ; which at the end of a ten weeks trial, in 1772, attheking's private obfervatory at Richmond, erred only 4j féconds. Within a... | |
 | Ralph Griffiths, G. E. Griffiths - 1777 - 584 páginas
...original. The latter part of Mr. Harrifon's life, was employed in making ifflk imfreveJ Timt-ietfer, on the fame principles with the preceding one ; which at the end of a ten weeks trial, in 1772, at the king's private obfervatory at Richmond, erred only 45- fecond;. Within... | |
 | SEVERAL HANDS - 1777 - 590 páginas
...original. The latter part of Mr. Harrifon's life, was employed in muKing affib improved -Time kseptr, en the fame principles with the preceding one ; which at the end of a ten weeks trial, in 177?, at the king's private obfervatory at Richmond, erred only 4~\ feconds. Within... | |
 | Edmund Burke - 1779 - 734 páginas
...well as the original. The latter part of Mr. Harrifon's life, was employed in making! a^/>£ improved Time-keeper, on the fame principles with the preceding one ; which at the end pf a ten weeks trial, in 1772, at the king's private obfervatory at Richmond, erred only 4^ feconds.... | |
 | 1789 - 682 páginas
...fouthern hemifphere with Capt. Cook, anfwcred as •well as the original. The latter part of Mr Harrifon's life was employed in making a fifth time-keeper, on...of a ten years trial, 1771, in the King's private Obfervatory at Richmond, erred only four feconds and a half. In ins he publifhed " A Defcription concerning... | |
 | 1794 - 614 páginas
...latter part of Mr. Harrifon's life, was employed in making г fifth impra-ved Time-keeper, on the lame principles with the preceding one ; which at the end of a ten weeks trial, in 1772, at the king's private obfervatory at Richmond, erred only 4¿ fécond». Within... | |
 | 1805 - 608 páginas
...latter part of Mr. Harrison's life was employed in making ajiftft improved Time-keeper, on the same principles with the preceding one ; which, at the end of a ten weeks trial, in 1772, at the king's private observatory at Richmond, erred only 4| seconds. Within... | |
 | Encyclopaedia Perthensis - 1807 - 794 páginas
...as well as the original. The latter part of Mr Harrilbn's life was employed in making a jth improved timekeeper on the fame principles with the preceding one ; which, at the end of a ten weeks trial, in •»77», at the king'3 private obfervatory at Richinond, erred only 4^ feconds. Within... | |
| |
Time-keeper, has been copied by the ingenious Mr. Kendal ; and that duplicate, during a three years circumnavigation of the globe, in the fouthern hemifphere with Captain Cook, anfwered as well as the original. 
