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- W4243362612 abstract "THE motto quoted above is engraved over the porch of the new Post Office research station at Dollis Hill, which was opened by Mr. Ramsay MacDonald on October 23. The results of the work carried out in many of the laboratories fully justify this saying, so far as telephony and telegraphy are concerned. It was stated that the annual saving to the Post Office effected by 14 out of the 511 investigations carried out last year was £190,000. The station possesses very complete workshops so that all the apparatus required for research purposes can be at once constructed. The researches carried out are generally very thorough. For example, when testing automatic telephone apparatus, all the component parts, such as telephone dials, selector switches and relays are continuously operated to failure or destruction. This enables an accurate forecast to be made of the performance of new types of equipment under working conditions. In the physics laboratory, investigations are made of the properties of the various materials used in the construction of communication apparatus. The apparatus for the production of the high voltages necessary for testing new types of lightning arresters and safety valves is carefully screened off from the rest of the laboratory. A special laboratory is devoted to improving the speeding up of the trunk telephone service. It has led to the provision of new facilities for signalling over trunk telephone lines by means of voice frequency currents. The introduction of the teleprinter has greatly increased the work of the telegraph research laboratory. The results obtained by operating this instrument under various conditions are being carefully investigated." @default.
- W4243362612 created "2022-05-12" @default.
- W4243362612 date "1933-10-01" @default.
- W4243362612 modified "2023-10-14" @default.
- W4243362612 title "Research is the Door of To-morrow" @default.
- W4243362612 doi "https://doi.org/10.1038/132670c0" @default.
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