Sending his book on Theoretical and Practical Astronomy. Also sends books for Thomas Catton. Comments on some of the varying observations made at observatories.
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Sending his book on Theoretical and Practical Astronomy. Also sends books for Thomas Catton. Comments on some of the varying observations made at observatories.
About plans for the Cambridge observatory.
Coordinates plans for firing rockets at Blackman St. and Slough. Problems with chronometer errors. [JH annotation: Longitudes of Slough, Greenwich, and Blackman St. Will fire rockets next on 10 July.]
Sends invitation to participate in an astronomical journal. Asks JH to forward letter to [F.] Fallows at the Cape of Good Hope. Mentions [Thomas] Young's plans to travel. Requests that JH forward letters to [W. H.] Wollaston, [John] Brinkley, [David] Brewster, and [Henry] Kater. Encloses announcement of founding of Astronomische Abhandlungen and of Astronomische Nachrichten.
Comments on J. B. Biot's reactions to JH's observations on polarization of light in apophyllite.
Is forwarding his paper on the eclipse. Publication of information received from members. Regarding the refereeing of Gerard Moll's paper on the eclipse.
Has not seen Mr. Penn's work JH mentioned. WW was chosen member of Astronomical Society. Asks JH to pay dues; WW will reimburse him.