Mitchel, William, fl1764 - 1788 (Minister of the Gospel)
Found in 19 Collections and/or Records:
An example of the stellar method of determining the difference of meridians at sea, 1788-05-01
Copy of a letter from William Mitchel to Sir Harry Parker, 1787-02-26
The original letter is at [RGO 14/36: 7-8].
Correspondence with William Mitchel on the question of remuneration for his work on an improved quadrant, 1765 - 1786
Miscellaneous petitions and memorials making requests of the Board of Longitude.
Letter from Rev. William Mitchel to Sir Harry Parker, 1787-12-14
Letter from Rev. William Mitchel to [Sir Harry Parker], 1788-03-04
Letter from William Mitchel to Sir Harry Parker, 1787-02-01
On finding longitude by eclipses of Jupiter's satellites and by the moon's meridian passage, and on a quadrant and other instruments.
Letter from William Mitchel to Sir Harry Parker, 1787-02-01
This is marked as part two of the letter at [RGO 14/36: 7-8].
Letter from William Mitchel to Sir Harry Parker, 1787-02-26
On finding longitude by eclipses of Jupiter's satellites and by the moon's meridian passage, and on a quadrant and other instruments.
Letter from William Mitchel to Sir Harry Parker, 1787-03-21
On finding longitude by eclipses of Jupiter's satellites and by the moon's meridian passage, and on a quadrant and other instruments.
Letter from William Mitchel to [Sir Harry Parker], 1787-05-31
On finding longitude by eclipses of Jupiter's satellites and by the moon's meridian passage, and on a quadrant and other instruments.
Letter from William Mitchel to [Sir Harry Parker], 1787-07-02
On finding longitude by eclipses of Jupiter's satellites and by the moon's meridian passage, and on a quadrant and other instruments.
Letter from William Mitchel to [Sir Harry Parker], 1788-04-23
Letter from William Mitchel to Sir 'Henry' [Harry] Parker, 1787-04-16
On finding longitude by eclipses of Jupiter's satellites and by the moon's meridian passage, and on a quadrant and other instruments.
Letter from William Mitchel to 'Sir Henry' [Sir Harry Parker], 1788-07-14
Stating that he had 'laid aside' his quadrant method and now proposed a method of finding longitude by the stars or by the satellites of Jupiter.
Observations of Jupiter's satellites, 1787-02-01
On finding longitude by eclipses of Jupiter's satellites and by the moon's meridian passage, and on a quadrant and other instruments.
Printed pamphlet on two easy methods of finding the longitude, 1787-07
On finding longitude by eclipses of Jupiter's satellites and by the moon's meridian passage, and on a quadrant and other instruments.
Printed paper on two easy methods of finding the longitude at sea, 1787-07 - 1787-08
With a handwritten supplement by Mitchel; see also [RGO 14/38: 129-132]. The methods proposed are by the eclipse of Jupiter's satellites and by observing the moon's passage over the meridian using his new improved quadrant.
Printed paper on two easy methods of finding the longitude at sea, 1787-06 - 1788-05
With a handwritten supplement by Mitchel; see also [RGO 14/38: 118-121].