528 INDEX. 



Pag 



Successive orders of electrical Induction discovered by Henry 85,248,494 



Sulphuric-acid barometer erected by Henry 329 



Sunderland, Rev. Dr. Byron, Chaplain of the U. S. Senate, selected by the Regents 

 to offer prayer at the Memorial Services ,. 29 



Sunderland, Rev. Dr. Byron, concluding prayer by, at the Memorial Services 121 

 Survey for a State road through New York, by Henry 57,183,210,428 



Taylor, "William B. Sketch by, of the scientific work of Henry 205 



Teacher, Henry's skill and success as 62,197,212,362 



Telegram from Anglo-American Telegraph Company at London 75 



Telegram from Direct United States Cable Company at London 76 



Telegram from Sir William Thomson 75 



Telegrams read by Hon. Hiester Clymer at the Memorial Services _. 75 



Telegraphic announcement of astronomical discoveries established by Henry__ 300 



Telegraph, magnetic, invented by Henry in 1831 85,131,149,228,380,487 



Telescope for detecting heat-radiation at a distance 156,320 



Ten-Eyck, Dr. assistant to Henry in constructing electro-magnets 224 



Theory of the so-called " Imponderables " 322 



Thermal telescope devised by Henry 156, 320 



Thermopile applied by Henry in 1845, to test solar spots 269, 431, 448, 502 



Thomson, Sir William, Telegram from, read at the Memorial Services 75 



Topographical sketch of the State of New York, by Henry 270,444 



Trinity House, London, letter of condolence from 137 



Union of short quantity circuit with long intensity circuit, by Henry in 1835 243 



University, New York City, Professor Morse's first telegraphic experiments in, 



in 1835 '. 381 



University of Pennsylvania, chemical professorship in, offered to Henry _174, 193, 278 

 University of Virginia, a professorship in, proposed to Henry by Mr. Calhoun, 194 



Van Rensselaer, Gen. Stephen, Henry's employment by, as tutor 57,183,208,443 



Velocity of projectiles registered by electric chronograph 155,272,448 



Vice-President of the United States, presiding officer at the Memorial Services 2,38 



Vice-President of the United States, reading of Mr. Hamlin's Address by 43 



Vice-President of the United States, remarks by, at the Memorial Services 2,43 



Volta, the inventor of the galvanic pile and battery 79,213 



Waite, Chief Justice Morrison R., Chancellor of the Smithsonian Institution, 



official announcement by, of the death of Joseph Henry 7 



Waite, Chief Justice Morrison R., Chancellor of the Smithsonian Institution, 



remarks by, on the death of Joseph Henry 9 



Weather forecasts organized by Henry 287,463 



Welling, Dr. James C. Notes by, on the life and character of Joseph Henry 177 



Welling, Dr. James C., a pall-bearer at the funeral of Joseph Henry 11 



Wheatstone's chronoscope compared with Henry's chronograph 398 



Will of James Smithson, the purport of 57,185,399,433,449 



Withers, Hon. Robert B., Senator, a Regent, Address by, at the Memorial 



Services 49 



Withers, Hon. Robert E., Senator, a Regent, selected by the Regents to deliver 



an Address 29 



Wheeler, Hon. William A., the Vice-President, presiding officer at the Memo- 

 rial Services 2, 38 



Wheeler, Hon. William A., the Vice-President, reading of Hon. Mr. Hamlin's 



Address by 43 



Wheeler, Hon. William A., the Vice-President, Remarks by, at the Memorial 



Services ,. 2, 43 



Wollaston's scale of chemical equivalents, modified by Henry 271. 



Yale College electro-magnet of 2,300 pounds made by Henry in 1831 229 



