7 iv.-. at the end of March of 1930 is shown in the following statistics : Number of telephones 862, 712 Number of telephone exchanges . ... It is a recent tendency in Europe and America to cut over old manual exchanges into automatic exchanges, due to the ... of the reconstruction work of the Tokyo and Yokohama manual exchanges damaged by the last earthquake disaster. ... Adsole is manufactured from the acid earth pro- ducted in the district of Echigo and has the property to absorbanbsp;...
Title | : | The Japan Magazine |
Author | : | |
Publisher | : | - 1930 |
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