Tabelle aus Logbuch Seite 110 vom 16. März 1788

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Lunar Observations since the 12^th. March to the 16^th opposite reduced to 5^h:33′ by applying the difference of Longitude by the Time Keeper.

Time When 1788	Longitude by Time Keeper	Longitude by Observation	Correction to be appl^d to reduce them to 5^h..33′ of the 16^th opposite	True Longitude by Observⁿ at 5^h:33 of the 16^th	Longitude turned into Time	T Keeper fast for Mean Time at Greenwich
March 13^th	57°..33′..09″	57°..24′..15″W	1..11..36	58°..35′..51″W
		57..22..31		58..34..06
		57..35..15		58..46..51
	57..48..45	57..48..15	0..56..00	58..44..15
		57..51..00		58..47..38
		58..00..45		58..56..45
15^th	58..04..07	57..52..45	0..40..38	58..33..23
		58..09..30		58..50..08
		58..16..11		58..53..38
16^th	58..44..45	58..23..30		58..23..38
		58..14..30		58..41..30
		58..10..15		58..10..15
		58..11..45		58..11..45
		58..16..45		58..10..45
	Mean Long^d. at 5^h..33′ of the 16^th of March			58..34..14 =	3:54:16:56	} 0′14″:4″′
	Long^d. by Time Keeper at the same time			58..44..15 =	3:54:59:	} 0′14″:4″′
				.. ..42..4
Long^d. by Observation			—..10..31 E^t of Time Keeper
Long^d by Observation on the 17^th Feb^y less than Time Keeper			—..16..25 E^t
			— .. 5..54 in Long^d. E^t

which the Time Keeper has lost in 28 days and its Rate by this is loosing on Mean Time p^r 24 hours .5″,57 equal to one tenth of a second nearly, and I now consider it fast for mean time at Greenwich the 15^th Noon 0′..42″..4″′.

Tabelle aus Logbuch Seite 110 vom 16. März 1788

Lunar Observations since the 12th. March to the 16th opposite reduced to 5h:33′ by applying the difference of Longitude by the Time Keeper.

Lunar Observations since the 12^th. March to the 16^th opposite reduced to 5^h:33′ by applying the difference of Longitude by the Time Keeper.