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Batteries on the First Mobile Telephone Exchange.

23rd December 1938, Page 21
23rd December 1938
Page 21
Page 21, 23rd December 1938 — Batteries on the First Mobile Telephone Exchange.
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We are asked to point out that the mobile telephone exchange, which is being operated by the Post Office authorities, and to which reference was made in our issue for last week, is equipped with two D.P. 50-volt batteries, supplied by the D.P. Battery Co., Ltd., Bakewell. Incidentally, the mobile post offices, which are prominent at agricultural shows, big sports meetings, etc., are also equipped with duplicate batteries of this make.

Wellworthy Piston Rings, Ltd.,. advises us that its service depot in Liverpool is now situated at 45, Renshaw Street,