Page:Account of John Harrison and his chronometer.djvu/12

Rh And as your memorialist apprehends that the time of the year is now too late for making Corresponding Observation, in England and Jamaica of the Eclipses of Jupiters Satellites and as the Watch is ready for making the Experiments of the Longitude and and Opportunity Offers of going with Governor Lyttleton who departs soon for Jamaica, your Memorialist humbly proposes that his Son with the Watch may be Ordered to Portsmouth & that Observations of equal Altitudes may be taken by Mr. Robertson, Master of the Royal Academy, and that the times of those Observations shall be marked down by the Times shewn by the Watch and that they be sealed up without making any Computation, and sent to the Lords of the Admiralty by the said Mr. Robertson.

That his Son may be supplied with an equal Altitude Instruments, and that upon his arrival in Jamaica, he shall make Observations of equal Altitudes before Witnesses and that the times of the equal Altitudes shall be marked down by the times