INDEX. 521 



Page 

 Galvanic battery devised by Volta in 1800 -- '9,213 



Galvanic battery modified by Dr. Hare in 1816, us a " calorimotor " B2,239 



Galvanic battery modified bj Henry in 1835, for either " quantity" or " inten- 



siiv" currents - 



Garfield, Gen. James A.., of the House of Representatives, a Regent,— Address 



by, ai tin- Memorial Services '" 



Garni M, Gen. .lames A.., of the House of Representatives, aRegent,— resolutions 



ottered by, at meeting of the Regents 



Garfield, Gen. James A . ofthe House of Representatives, a Regent, selected bj 



the Regents to deliver an Address 29 



Goethe's Intellectual awakening and that of Henry, compared 92 



Government of tin- United states.— Henry's services to 133,143,316 



Gray, Prof Asa, a Regent,— Address by, at the Memorial Services 



Gray,Prol ^sa, a Regent, one of a committee appointed by the Regents to pre- 

 pare for their r rds a biographical memoir of Joseph Henry _. 



Gray, Prof. Asa, a Regent, one ol a committee appointed by the Regents, to pre- 

 pare a Men a .rial Volume 



Gray, Prof. Asa, a Regent, selected by the Regents to deliver an Address at the 



Menu trial Services . 





Guyot, Prof. Arnold, a pall-bearer at the funeral ol Joseph Henry 11 



Hall of the House of Representatives assigned by Resolution of Congress i 



the holding of Menu. rial services 



Hall, Prof. .lames,— letter of. on the death of Henry 129 



Hall. Prof. .lames,— testimony of, to Henry's early magnetic telegraph-. 381 

 Hamilton. Col. C. s. -letter from, to the Light-House Board, on lard and rape- 

 seed oils *- 4 



Hamlin. Hon. Hannibal. Senator, a Regent,— Address of, at the Memorial Serv- 

 ices, read by the Vice-President) J! 



Hamlin, Hon. Hannibal, senator, a Regent,— resolution presented by, in the 



s.nate, to participate in the Memorial Services 



Hamlin, Hon. Hannibal, Senator, a Regent, selected by the Regents to deliver 



an Address at the Memorial services -■' 



Hare, Dr. Robert,— calorimotor galvanic battery devised by 82,239 170,484 



Heat-radiation, comparative, ofthe solar spots 269,431,448,502 



Heat-radiation detected at great distances by the thermal telescope 156,320 



Heat-radiation,— experiments on, by Henry -' 



Hendrie, the ancestral name ofthe Henry family '" 



Henry as a Christian 16,21,33,73,114,1 14, 147,200 



Henry as a discoverer ' 7 



Henry as a financier 16,51,97 



Henry as a teacher —62, 197, 212, 362 



Henry,— contributions to science at "Washington by 319 



Henry-death of- ••!■- "50 167 



Henry,— education of 54,56, ITT, 206 



Henry elected professor of mathematics at Albany Academy 57,130,211,443,476 



Henry elected professor of physics at Princeton 61,131,238,431,447 



Henry elected Secretary of the Smithsonian Institution 65,132,169,185,275,453,406 



Henry,— improvement ol the Light-House service by 97,308,315, I 



Henry independent discoverer of magneto-electricity, 235, 145,490 



Henry inventor of the electric chronograph 155,272 398, n- 



Henry inventor of the electro-magnetic engine 230, 145 



Henry inventor ofthe magnetic telegraph 85,131,149,228,380,487 



Henry,— letter from, to Rev. S. IS. Dod 149 



Henry,— letter from, to Prof. S. F. B. Morse :is4 



Henry,— letter from, to Dr. E. Nott 409 



Henry.— letter from, to Mr. J. Patterson 23 



Henry,— marriage of 61,238 



