RECORDS: 1 - 11 of 11
Chronometers, 1851-10-06/1853-07-01 Digital
Item — Box 4Identifier: KG11365-6, phaedra0144Telegraph Signals; Sidereal Chronometer Records; R.F. Bond to Halifax; Chronometer sent to Charleston, South Carolina; Mean Time Clock; Time for Boston; Transit of Arcturus
Early Work of the HCO under the Bond Adminstrations, 1848-1877, bulk: 1848-1866
Series Identifier: KG11365-6Equatorial, 1858-09-25/1858-11-11 Digital
Item — Box 4Identifier: KG11365-6, phaedra0182Observations: Donati's Comet; Asteroid Searle; Photography; Tuttle Comet VII; Searle's Planet; Collection of Memoranda relating to naked eye view of Comet of Donati in Sept. & Oct. 1858; [newsprint clipping] Boston Daily Advertiser: The Great Comet of 1858; ephemeris of Mr. Schubert's Asteroid; Ephemeris of Comet VIII; Ephemeris of Comet V
Numerous sketches of Comet of Donati
Equatorial, Volume 1, 1847-07-01/1847-12-01 Digital
Item — Box 4Identifier: KG11365-6, phaedra0157Sidereal and Mean Time Clocks, 1856-01-01/1856-04-21 Digital
Item — Box 4Identifier: KG11365-6, phaedra0146Sidereal and Mean Time Clocks, 1856-07-02/1857-02-27 Digital
Item — Box 4Identifier: KG11365-6, phaedra0148Questions propounded by Mr Briggs, relative to his clock with a circulating pendulum; Comparison of sidereal clock with that containing Briggs patent circulating pendulum; recorded chronometer timings; Lieut. Ives set up his transit instrument on the stand of our variation-transit and obtained the following y E.C. and the Spring-governor.; Result, time to be given 4 1/2 seconds sooner at Cambridge than the bells at Boston should strike.
Telegraph, 1848-07-06/1848-10-28 Digital
Item — Box 4Identifier: KG11365-6, phaedra0143Programme of Telegraph operations from Cambridge observatory (C) to Newyork [sic] Observatory (N) for 1848
Observations for clock corrections for Telegraph Operations; Transits July 8th 1848; Aurora; E Bootis, a2 Libra, B Librae, a Corona Borealis, a Serpentis; Polaris; Spica; Lyra; Star Signals; Immersion of Librae; Observations for Personal equation between WCB and Prof. Loomis; Arcturus illumination day light.
Transit Circle, 1849-09-26/1849-11-29 Digital
Item — Box 1Identifier: KG11365-6, phaedra0003Transit Circle, 1850-02-06/1850-04-30 Digital
Item — Box 1Identifier: KG11365-6, phaedra0005Transit Circle, New Group of Five wires, 1857-02-17/1857-09-21 Digital
Item — Box 1Identifier: KG11365-6, phaedra0026Transits, Names of the asteroids, and observations of Polaris, 1856-09-08/1857-02-09 Digital
Item — Box 1Identifier: KG11365-6, phaedra0025REFINE MY RESULTS:
- Subject
- Astronomical clocks -- United States. 2
- Chronometers. 1
- Donati comet. 1
- Names
- Bond, George Phillips, 1825-1865. 8
- Coolidge, Philip Sidney, 1830-1863 5
- Safford, Truman Henry, 1836-1901 4
- Tuttle, Horace Parnell, 1837-1923 4
- Hall, , Asaph, III, 1829-1907 3
- Tuttle, Charles Wesley, 1829-1881 2
- Harvard College Observatory 1
- Langley, S. P. (Samuel Pierpont), 1834-1906 1
- Loomis, Elias, 1811-1889 1
- Pierce, Benjamin. 1
- Rogers, William A. (William Augustus), 1832-1898 1
- Searle, G. M. (George Mary), 1839-1918 1
- Trouvelot, E. L. (Etienne Leopold), 1827-1895 1
- Winlock, Joseph, 1826-1875 1 ∧ less