Jones, Thomas, 1775 - 1852 (maker of scientific instruments)
Found in 47 Collections and/or Records:
Mural circle observations, 1824 - 1825
Observations made with Edward Troughton and Thomas Jones' mural circles and two and six microscopes.
Mural circle stellar readings, 1825
Readings of Edward Troughton and Thomas Jones' mural circles for principal stars (apparently by refraction).
North polar distances of principal stars, 1829 - 1835
A ledger on the investigation of north polar distances of principal stars observed with Edward Troughton and Thomas Jones' mural circles.
Observations of stars when sub-polar, 1833 - 1835
Observations of stars when sub-polar made with Edward Troughton and Thomas Jones' mural circles.
Observations with Jones' mural circle, 1825
Original observations of the stars made with Thomas Jones' mural circle and six microscopes, 27 January 1825 - 7 April 1825, with notes on errors and adjustments.
Observations with Jones' mural circle, 1825
Original observations of the stars made with Thomas Jones' mural circle and six microscopes, 8 April - 31 December 1825, with notes on adjustments to instruments.
Observations with Jones' mural circle, 1826
Original observations of the stars made with Thomas Jones' mural circle and six microscopes, 2 January 1826 - 10 October 1826.
Observations with Jones' mural circle, 1826 - 1827
Original observations of the stars made with Thomas Jones' mural circle and six microscopes being adjusted to agree with each other, 2 October 1826 - 26 August 1827.
Observations with Jones' mural circle, 1827 - 1828
Original observations of the stars made with Thomas Jones' mural circle and six microscopes, 27 August 1827 - 26 August 1828, with notes on adjustments to the microscopes.
Observations with Jones' mural circle, 1828
Original observations of the stars made with Thomas Jones' mural circle and six microscopes, 27 August 1828 - 29 July 1829, with notes of adjustments to the circle and the microscopes.
Observations with Jones' mural circle, 1829 - 1830
Original observations of the stars made with Thomas Jones' mural circle and six microscopes, 29 July 1829 - 12 November 1830.
Observations with Jones' mural circle, 1830 - 1831
Original observations of the stars made with Thomas Jones' mural circle and six microscopes, with notes on clouds and trees interfering with observations.
Observations with Jones' mural circle, 1831 - 1832
Original observations of the stars made with Thomas Jones' mural circle and six microscopes, 2 September 1831 - 2 December 1832.
Observations with Jones' mural circle, 1832 - 1834
Original observations of the stars with Thomas Jones' mural circle and six microscopes, 13 December 1832 - 16 May 1834, with notes on moving the circle for maintenance.
Observations with Jones' mural circle, 1834 - 1835
Original observations of the stars made with Thomas Jones' mural circle, with notes on clouds interfering with observations and on adjustments to instruments.
Reduction of mural circle observations, 1825 - 1826
Reduction of observations of principal stars made with Edward Troughton and Thomas Jones' mural circles, recorded in a ledger for part of 1825 and 1826.
Reduction of mural circle observations, 1827 - 1828
Reduction of observations of principal stars made with Edward Troughton and Thomas Jones' mural circles.
Reduction of mural circle observations, 1829 - 1832
Reduction of observations of small stars made with Edward Troughton and Thomas Jones' mural circles.
Reduction of mural circle observations, 1834 - 1835
Reduction of observations of stars made with Edward Troughton and Thomas Jones' mural circles, with 'Measures for relating to the Zenith sector copied by Mr Troughton'.
Requests for the use of instruments and letters concerning the return of borrowed instruments, 1783 - 1829
Papers regarding the loan and return of instruments belonging to the Board of Longitude and concerning persons entitled to receive Board publications.
Solar and stellar observations and computations, 1816 - 1835
Zenith distances of stars, 1833
Zenith distances of stars near the zenith and comparison of results from the zenith tube with results from Edward Troughton and Thomas Jones' mural circles.