{"newspaper_name": "Portland gazette and Maine advertiser.", "edition": "01", "page": "p3", "byline": ""}
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HOEfAS Clark, Bookseller.
Il lp9rtla5sa,. sFctre....Win shortly publish
an improved edition Of DR.. MAcEAYS Cow
2LETr NAvIGAYoR, Untitled, Ts The A7ner1cGn
Coplhlete Na1igator, and Seanran's Daily.Asaiat:
az being an easy and familiar guidetothe The
c"y and Practice ofNayigation containing all
thenecessaTy Tables and Rules, with demonstra-
TONS, and Illustrated with several appropriate
Engravings ;--being an improved edition Of
the Complete Navigator published by AN
bREw NAcKAY, J.. =. D. FIR. s. Ed. &c.-at
London, 4. d. lS04l-revised. corrected, ana
considerably enlarged, BY several gentlemen
Of information, and particularly adapted foi
the use Of American Seamen.'


lii Dr.. Mackay's work, some hundreds of
errors are detected, in ali thy seatises on navi-
g2tlon extant- The work in the press is pas
sing through 4 complete revision bv several
gentleTnen, who will examine every part OF it,
ard more especially the tables, which are more
numerous and extensive than can be found in
any work upon the subject: And the publish
er t,atters himself that it will issue from the
press Eyithont SINGLE error.


As the most approved publication upon the
theory and practice of Navigation Except Dr.
Mackay's) contains great number Of mistakes
particularly in the tables) which might prove
fatal % the mariner, It is confidently believed,
that the treatice now offered to public patron
age, Will supersede every other work of the
kind. Dee. so, 1905. u.