Is still trying to bring the various definitions of the pound into agreement [see GA's 1867-11-30]; the question of weighing in air or vacuum remains as a problem.
Showing 21–26 of 26 items
Is still trying to bring the various definitions of the pound into agreement [see GA's 1867-11-30]; the question of weighing in air or vacuum remains as a problem.
Having helped to create confusion surrounding the pound weight [see GA's 1867-12-3], JH now understands it simply and clearly; JH wonders if he is 'growing elderly.'
Comments on reports of meteor sightings from the United States and Italy; explains why one may see a satellite of Jupiter where there is none.
Is exceedingly grateful for the Synopsis of William Herschel's double-star observations. Comments on some of the readings. Has read his translation of Schiller's 'Spaziergang' with pleasure. Will be writing to Margaret Brodie Herschel.
Is trying to obtain parts of R.S.P.T. containing the original communication of William Herschel on changes in double stars. Would be glad of JH's assistance. Printer has made mistakes in spite of his proof corrections. Weather most unsuitable for observations due to fog. Is pleased JH is making a synopsis of all the double-star measurements.
Is pleased to hear his own sons are progressing well. Hopes Caroline (JH's daughter) will soon be able to come out. Is temporarily in charge of the Bombay army, which gives him plenty of work.