THE GRAVITY OBSERVATIONS OF 1 895 COMPARED 295 



I. Comparison of Anomalies in the Force of Gravity by old and new Reductions 



(Results as originally published) 



Anomalies (in dynes), g observed, — g computed. 



WO - tw 



|l *l| 1* s. 



Station. 1 1 *|l I? iS 



a m fe «< z 



Meters. Dynes. Dynes. Dynes. Dynes. 

 For 25 stations in United States, 



observations in 1894 and 1895 : 



Washington, D. C. (Smithsonian) 10 +.015 +.016 +.015 +.037 



Ithaca, New York 247 —.063 —.039 —.029 —.025 



Charlottesville, Virginia 166 — . 056 — . 038 — . 019 — . 015 



Deer Park, Maryland 770 —.053 +.024 —.005 +.008 



Colorado Springs, Colorado 1,841 —.221 —.038 + .003 —.009 



Denver, Colorado 1,638 -.215 —.056 .000 —.018 



Pikes Peak, Colorado 4,293 —.239 + . 226 + . 006 + . 019 



Gunnison, Colorado.. 2,340 —.263 —.007 + .035 + .018 



Grand Junction, Colorado 1,398 —.192 —.052 + .033 + .022 



Green River, Utah 1,243 —.214 —.090 —.003 —.023 



Grand Canyon, Wyoming 2,386 —.236 + .016 —.010 —.004 



Norris Basin, Wyoming 2,276 — . 205 + . 030 + . 016 + . 019 



Lower Geyser Basin, Wyoming 2,200 —.221 +.006 —.001 —.003 



Pleasant Valley, Utah 2,191 — . 220 + . 002 — . 013 + . 002 



Salt Lake City, Utah 1,322 —.179 —.053 + .002 + .00S 



Austin, Texas (capitol) 170 —.062 —.043 —.036 —.010 



Austin, Texas (university) 189 —.064 —.043 —.038 —.012 



Laredo, Texas 129 —.065 —.052 —.051 —.022 



Galveston, Texas 3 —.035 —.035 — .035 —.011 



New Orleans, Louisiana 2 —.033 — .033 — .033 —.015 



Calais, Maine 38 —.021 —.018 —.015 —.010 



Cambridge, Massachusetts 14 — . 009 — . 008 — . 003 + . 003 



Boston, Massachusetts 22 — . 007 — . 005 — . 001 + . 003 



Princeton, New Jersey 64 —.038 — .032 —.032 —.021 



Philadelphia, Pennsylvania 16 + . 004 + .006 + . 011 + . 020 



For 17 other stations : 



Yakutat Bay, Alaska 4 —.054 — . 061 11 + . 019 —.034 



Pyramid Harbor, Alaska 5 —.039 —.043 + .067 + .052 



Juneau, Alaska 5 — .047 —.049 + .038 + .035 



Sitka, Alaska 9 +.005 +.004 —.001 +.006 



11 Free air anomalies for last group are derived from Coast and Geodetic Survey Spe- 

 cial Publication No. 10, pp. 76 and 81, and No. 12, p. 24. 



