News of the forthcoming marriage of his daughter. Everyone seems to be mad on making ice.
Showing 81–93 of 93 items
News of the forthcoming marriage of his daughter. Everyone seems to be mad on making ice.
Describes a method JH devised of producing 'autographic representations of fungi on glass.'
Concerned about 'Commercial weight' of new standard of weights and measures.
Suspects that discrepancy between old and new commercial weights of Standard Pound may be due to trapped air in new standard. Needs WM's reply soon, so JH may inform India Committee on weights and measures.
Deals with several problems related to several papers.
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.
'Not Sent.' Clarifies values quoted in JH's letter of 5 Nov. to RS.
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.'
Describes JH's theodolite by G. F. Reichenbach and offers to loan it for PB's survey [of Sinai Peninsula].
Discusses WM's reply regarding commercial weight of new Standard Pound.
Measurements by A. T. Kupffer afford greater accuracy for [specific] gravity of water than values used by Henry Kater as quoted in postscript of JH's 5 Nov. [1867] letter to [WM].
Clarifies information in postscript of JH's letter of 5 Nov. to RS.
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.