{"title":"Prague postal time service: clock and sirens – improbable connection","authors":"M. D. Hrtus","doi":"10.14311/ap.2024.64.0226","DOIUrl":null,"url":null,"abstract":"The goal of this paper is to present the origin, development, and technical parameters of the Postal Time Service, which was established in the capital of Czechoslovakia – Prague, gradually in the years 1933–1935. It also examines the options for determining “public time” in the period before the establishment of this service. In the second part, the text deals with the question of the use of the Postal Time Service infrastructure as an essential part of the air raid alarm siren system. The emergence of this system will be set in the broader context of the deteriorating security and political situation in Central Europe in the second half of the 1930s. In addition to the technical aspects of the warning system itself, the text will also introduce its author, Prof. František Rieger of the College of Mechanical and Electrical Engineering of the Czech Technical University in Prague, and the practical tests of the device, which took place in 1936 and 1937.","PeriodicalId":45804,"journal":{"name":"Acta Polytechnica","volume":null,"pages":null},"PeriodicalIF":0.6000,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Polytechnica","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14311/ap.2024.64.0226","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
The goal of this paper is to present the origin, development, and technical parameters of the Postal Time Service, which was established in the capital of Czechoslovakia – Prague, gradually in the years 1933–1935. It also examines the options for determining “public time” in the period before the establishment of this service. In the second part, the text deals with the question of the use of the Postal Time Service infrastructure as an essential part of the air raid alarm siren system. The emergence of this system will be set in the broader context of the deteriorating security and political situation in Central Europe in the second half of the 1930s. In addition to the technical aspects of the warning system itself, the text will also introduce its author, Prof. František Rieger of the College of Mechanical and Electrical Engineering of the Czech Technical University in Prague, and the practical tests of the device, which took place in 1936 and 1937.
期刊介绍：
Acta Polytechnica is a scientific journal published by CTU in Prague. The main title, Acta Polytechnica, is accompanied by the subtitle Journal of Advanced Engineering, which defines the scope of the journal more precisely - Acta Polytechnica covers a wide spectrum of engineering topics, physics and mathematics. Our aim is to be a high-quality multi-disciplinary journal publishing the results of basic research and also applied research. We place emphasis on the quality of all published papers. The journal should also serve as a bridge between basic research in natural sciences and applied research in all technical disciplines. The innovative research results published by young researchers or by postdoctoral fellows, and also the high-quality papers by researchers from the international scientific community, reflect the good position of CTU in the World University Rankings. We hope that you will find our journal interesting, and that it will serve as a valuable source of scientific information.
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