APPENDIX I 257 



s. d. 



Gravity at Sea, Determination of, 1915-21 ... 110 

 Heat. Experiments for testing results of Mathe- 

 matical Theory of Heat, 1851-54 29 5 10 



Experiments on Action of Water at 212 F. on 



Organic Matter, 1830-40 10 



Experiments on Long-continued Heat, 1836 17 1 



Heat developed in Combustion, 1837-40 ... 32 6 6 



Production of Heat by Motion in Fluids, 1858 20 

 Re-measurement of Dynamical Equivalent, 



1870-80 106 6 



Thermal conducting Power of Rocks, 1874-78 2416 6 



Kew Observatory, 1843-72 12,300 1 1 



Light. Action of Gases on, 1842-43 49 10 8 



Chemical Action of, 1856 20 



Standards of, 1886-88 109 2 3 



Lightning Conductors, Efficacy of, 1874 10 



Magnetic Field, Radiation from a Source of Light 



in, 1899-1900 75 



Survey of the British Isles, 1916 ... 125 

 ,, Survey of South Africa (continuation), 



1906-7 124 19 6 



Magnetisation of Iron, Nickel and Cobalt, 1874-75 40 

 Magnetism, Terrestrial. Comparing and reducing 



Magnetic Observations, 1886-88 51 12 



Co-operation in Magnetic (and Meteorological) 



Observations, 1843-45 521310 



Falmouth Observatory, 1893-1912 460 



Magnetical Observations (Instruments, etc.), 



1840^1 247 12 5 



Mathematical Tables, etc. (in chronological order) : 

 Gaussian Constants, Computation, 1846-47 ; 



Re-computation, 1871-73 150 



Desirability of computing or reprinting Mathe- 

 matical Tables, 1872-76 359 4 2 



Elliptical Functions, 1874-77 500 



Factor Tables for 4th, 5th, 6th millions, 



1878-79 250 



Fundamental Invariants of Algebraic Forms, 



1879-82 121 1 8 



Tables in Theory of Numbers, 1885 100 



