i 4 THE RUMFORD FUND 



been provided from elsewhere, or for other reasons. 

 When this is believed to be the case it is so stated. 



GRANTS FROM THE RUMFORD FUND. 



1832-1862. Observatory at Cambridge, for telescope and 



other apparatus $3776 



ENOCH HALE. For rain gauges and sundry ex- 

 penses for experiments and investigations relating 

 to the fall of rain 1697 



1862. PHILANDER SHAW. Experiments relating to air- 



engines 600 



1863. OGDEN N. ROOD. Physical relations of iodized 



plate to light. (Appropriation subsequently 

 transferred to another research, viz., photometry) 300 



1864. WOLCOTT GIBBS. For purchase of a Meyerstein 



spectrometer and Regnault's apparatus for meas- 

 uring vapor- tension 600 



JOSIAH P. COOKE, JR. For purchase of glass prisms 

 to be used in an investigation of metallic spectra. 

 (These prisms were purchased from the Academy 

 by Professor Cooke in 1871) 200 



1866. OGDEN N. ROOD. Photometry. (Appropriation 



of 1863 for relations of iodized plate to light, 

 $300, transferred to this purpose.) 



1867. WOLCOTT GIBBS. For repairing Meyerstein spec- 



trometer belonging to the Academy 100 



1869. JOSEPH WINLOCK. For purchase of spectroscopic 



instruments for observations of the solar eclipse 



of August, 1869 . 300 



1870. BENJAMIN APTHORP GOULD. For photometric and 



spectroscopic apparatus for the Observatory at 

 Cordova. (Apparatus subsequently purchased 

 by the Argentine Government) 500 



