OCR Text |
Show New Chart Corrects Errors. Tho great prnctlcal utility of the magnotlc survoy mado In tho Pacific ocean by tho yacht Galilee since 1905 Is shown by a now magnotlc chart, from which It appears that tho charts previously used by navigators In tho pacific ocean woro erroneous along somo much-traversed routos to tho ox-tont ox-tont of from threo to flvo degrees, and tho errors at times woro systematic. syste-matic. Errors of this magnitude aro ot Importance In practical navigation whero tho indications of tho compass should be as accurato as possible |