Box 4

Scope and Contents: This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....

Scope and Contents: This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....

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Programme 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.

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Telegraph Signals; Sidereal Chronometer Records; R.F. Bond to Halifax; Chronometer sent to Charleston, South Carolina; Mean Time Clock; Time for Boston; Transit of Arcturus

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Daily time records; Annular Eclipse of May 26; Remarks by W.C.B.; Meteorological Remarks

Scope and Contents: Comparisons by 12MT- Comparators -1107 and 1508; Comparison of chronometers with MTC - by aid of 6hr; Comparisons with comparator No. 1508; 1855 June 5th Last comparison before embarcation; Direct comparisons; Comparison of chronometer Thomas Adams No 3585;Comparator Y (No. 1107 -)(copied from the paper found in the top); Sidereal Chronometer No. 3585; Errors of Chronometers on Greenwich M.S.T.; Notes documenting return of specific chronometers following examination; Direct comparison of...

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Timings of chronometers and Mean Time clocks; notes on clock adjustments; Note of offer by Mr. Dodge to sell telegraph lines to the observatory

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Questions 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.

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Data relating to timing output of various clocks and chronometers.

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1860 July 17/18: "These chronometers were used for observing the solar eclipse. See Transit Book of this date."; "Corrections of the New Clock. (Isody. Escap.) [i.e., Isodynamic Escapement] Oct. 23 1860 to Apr. 8 1861; Timing data recorded for various devices; Cambridge and Boston

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Directions for Absolute Time; Brief Ephemeris for locally-viewed stars for May 1865; Eclipse of Sun - End West Wing Equatorial; Timing output data and status information relating to a number of chronometric devices

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1854 June R.R. Regulators; Notes and recorded data relating to railroad watches

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Recorded timing data relating to various clocks.

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1848 June Measures of the Observatory Buildings Piers and Instruments.

Ring of Saturn and other observations relating to planet including satellites; Enckes Comet; Observations of Jupiter; New comet first seen [Saturday, Nov. 25th]; Mercury; New satellite of Saturn [Dec. 18th]; Petersen's Comet; Nebula R 0h39m Dec -26 ..13'; Examination of Collimation of G[reat] R[efractor][Dec 28th]; Orion; satellite of Neptune; Notes on viewing conditions; Errors of the Equatorial [p. 605]

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Comet 1860 III: Mean Places for 1860.0 of Comparison Stars; Parallax; Coefficients and Parallax; Observations of Comet 1860 III made at the Observatory of Harvard College; Various Observations in 1859-60;

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Observations on the New Planet; Observations of Meteors over several nights; Jupiter; Possible double star; Corrections for Refraction; Observations on Neptune Oct 1846 to Jun 1847; Andromeda; Saturn; Notice f Comet sent to [list inludes J.Q. Adams, Washington D.C.; First Observations with the Great Refractor [p. 65]; Great Equatorial Observations June 30th 1847; Elements of the Comet of March 4th 1847 From Observations on March 5th, 12th, 19th

Scope and Contents: Opposition of Neptune; Observations on the Comet, July 1847; Observation of the Moon; First Occultation observed with the Great Refractor;; Note on observing the "division of Saturn's ring" [Aug 27th 1847]; Great Nebula in Andromeda; Jupiter; Immersion of 29 Ophiuci; Observations of Lasell's Satellite of Neptune; Mars; Observations of Venus; Observations for Personal Equations with Prof. S.C. Walker"Rev J H Clinch with us -"Maria Mitchell's Comet...

Scope and Contents: Dimensions of Pier; Nebula in Andromeda; Nebula in Orion; Colla's Comet; Observations of Jupiter; New Nebula; Mauvais Comet; Polaris; Hind's New Star (Nova Ophiuci No. 2); xi Ursa Majoris; epsilon Bootis; Neptune; Saturn; Opposition of Neptune with a star of the 8th magnitude; Ephemeris of Encke's Comet for 1848 Computed by Prof. Peirce; Ephemeris of Colla's Comet (from C. con Litrow; Miss Mitchell's Comet; Ephemeris of Great Elongation of Satellites of UranusNebula in Andromeda;...

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Powers of the different eyepieces of the Great Telescope

Orion Nebula; Mars; Jupiter; Lyra; Uranus and satellite; Trapezium; Andromeda; Occultation of 80 Piscium; 29 Ophiuci

Drawings / Star Maps: pp. 260, 266, 267, 268, 270, 271, 272, 274, 283, 288, 292, 294, 295, 310, 319, 326, 327, 328, 331, 332

Scope and Contents: This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....

Scope and Contents: This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....

Scope and Contents: This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....

Scope and Contents: This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....

Scope and Contents: This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....

Scope and Contents: This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....