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Published online by Cambridge University Press: 18 August 2016
page 363 note * Mr. Lidstone, who independently investigated the problem on similar lines, points out that the result may be put into the following form, where j=the rate of interest on the bond and z the initial annual rate of the sinking fund:—
In the present case j = ·01 ; z= 005, and the result at the outset is l·125a–·125a'.–EDS. J.I.A.