Table 114. 



SUMMARY OF RESULTS OF THE VALUE OF GRAVITY (f/) AT STATIONS 

 IN THE UNITED STATES, OCCUPIED BY THE U. S. COAST AND 

 GEODETIC SURVEY DURING THE YEAR 1894.* 



Table 115. 



LENGTH OF SECONDS PENDULUM AT SEA LEVEL FOR DIFFERENT 



LATITUDES. t 



* G. R. Putnam, Phil. Soc. of Washington, Bull. vol. xiii. 



t Taken as .standard. The other values were obtained from this by means of invariable pendulums. 

 t Calculated from force of gravity table by the formula l—^/n-. For each loo feet of elevation subtract 0.000596 

 centimetres, or 0.000235 inches, or .0000196 feet. 



Smithsonian Tables. 



104 



