Remarks on a pamphlet [respecting H.'s chronometer] lately published by the Rev. Mr. Maskelyne, under the authority of the Board of Longitude / By John Harrison.

  • John Harrison
Date:
1767
Catalogue details

Licence: Public Domain Mark

Credit: Remarks on a pamphlet [respecting H.'s chronometer] lately published by the Rev. Mr. Maskelyne, under the authority of the Board of Longitude / By John Harrison. Source: Wellcome Collection.

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    [ 3 ] uninformed of it, who at all attended to the Bufinefs of the Longitude. This may ferve to account for the Cir- cumdance which Mr. Maskdyne declares, it was none of his Bufinefs to account for, why the Watch was getting near 20 Seconds per Day ; but as to his Inference, I muft fay it betrays the mod abfolute Ignorance of Mechanics, and of thisMachine in particular,in which it is obvious (and for this Fa<51 I appeal to the Watchmakers who faw it taken to Pieces) that its going at the fame Rate when put to¬ gether again, as before, depends (if none of the Parts are alter'd) upon nothing more complicated than putting a .Jingle Screw into the fame Place from whence it was taken. Indeed this PafTage, and the ignorant and puerile Remarks which Mr. Maskelyne has been fuller’d to prefix to my written Defer ip- tion of the Watch (to the Difgrace of this Country in thofe foreign Tranflations it has already undergone) bring drongly tt> my Remembrance an Obfervation made by fome of the Gentlemen prefent at the Difco- very, “ that they wonder’d at his Patience “ in attending fo long to a Subject he feem’d “ fo totally unacquainted with.” » Mr. Maskelyne then proceeds to tell us of a Change that happen’d in the going of the Watch, and fays, “ this Change began in 46 the Beginning of Auguft, on the few and only hot Days we had lad Summer, <s which yet were not extreme, the Ther- “ mo meter within Doors having never rifen te above