Smithsonian Institution · Washington : Smithsonian Institution · leaf 45
DISCUSSION OF THE VERTICAL FORCE. Q) ratios, it is probably due to the small number of observations, and the difficulty in keeping the instrument in adjustment and allowing for its irregularities, I have, therefore, given the mean ratio of the Philadelphia disturbances in the last column of Table… … ERE Re Trey Ret TSS sl estrus Mes Ber em S E 6 Se a fe Es be Heoo CPW ZT SAS 8B B SBtnOo BAZAAR eR eAaK S If we separate the disturbances into two parts, those increasing and those decreasing the force, we obtain the numbers of Table VIII. A positive sign indi- cates disturbances increasing, a…
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