An account of the going of Mr. John Harrison's watch, at the Royal Observatory, from May 6th, 1766, to March 4th, 1767 : together with the original observations and calculations of the same /
Maskelyne, Nevil, 1732-1811,
An account of the going of Mr. John Harrison's watch, at the Royal Observatory, from May 6th, 1766, to March 4th, 1767 : together with the original observations and calculations of the same / by the Revd. Nevil Maskelyne. - 28, lvi pages : 25 cm
1170090419 9781170090411
Harrison, John, 1693-1776.
Clocks and watches--Experiments--Early works to 1800.
Time measurements--Experiments--Early works to 1800.
Longitude--Experiments--Early works to 1800.
Time--Experiments--Early works to 1800.
facsimile clock longitude Timekeeper (general) United Kingdom Navigation
An account of the going of Mr. John Harrison's watch, at the Royal Observatory, from May 6th, 1766, to March 4th, 1767 : together with the original observations and calculations of the same / by the Revd. Nevil Maskelyne. - 28, lvi pages : 25 cm
1170090419 9781170090411
Harrison, John, 1693-1776.
Clocks and watches--Experiments--Early works to 1800.
Time measurements--Experiments--Early works to 1800.
Longitude--Experiments--Early works to 1800.
Time--Experiments--Early works to 1800.
facsimile clock longitude Timekeeper (general) United Kingdom Navigation