Further on the electrochemical decomposition of metallic salts [see AS's 1843-2-28], and its relationship to photography.
Showing 81–100 of 451 items
Further on the electrochemical decomposition of metallic salts [see AS's 1843-2-28], and its relationship to photography.
Invitation to come to Collingwood to discuss star arrangements.
Further regarding the constellations.
About the health of Caroline Herschel, and other news from Hanover.
Asks for a bottle to be filled with spirits of wine.
Further regarding the method to be adopted for the printing of the star catalogue.
Reports observing on 17 March a long, thin cloudy streak that moved with the stars. [P.S. of 18 March concludes the object is a comet [Great Comet of 1843].]
Tells GA about a new comet becoming visible.
Reports that a very prominent comet [Great Comet of 1843] is coming into view.
Further regarding the constellations.
Requests a mixture of verdigris, sal ammoniac, and lamp-black.
Gives latest observations of the comet [Great Comet of 1843]. Predicts head will soon be visible.
Reports where to observe the comet [Great Comet of 1843] just becoming visible.
Encloses a draft of a letter that it is proposed should be sent to Sir Robert Peel.
JH's account of a comet reminds WT of a strange sighting many years ago. Comments further on improvements in photography, both those made and those needed.
Sending the deeds and the schedule. Please send notice of receipt.
Invites FB and his sister for a visit to Collingwood, where FB and JH can most easily complete the work of charting the southern stars.
Covering letter to one by Edward Cooper regarding appearance and observations on new comet.
Enlarging on the luminous phenomena he has seen in the S.W. and giving some comments from a naval officer who had observed it.
Reports where to observe the comet [Great Comet of 1843], its head having now become visible.