NDLI: Horizontal pendulum development and the legacy of Ernst von Rebeur-Paschwitz

Content Provider	Springer Nature Link
Author	Fréchet, Julien Rivera, Luis
Copyright Year	2012
Abstract	Horizontal pendulum development was paramount in the birth of modern instrumental seismology and solid-earth tide study. This paper presents a revised history starting in the first part of the nineteenth century and culminating with Rebeur-Paschwitz’s masterpiece in its latter part. The first stage began with the invention of the horizontal pendulum by Lorenz Hengler in 1832. He was followed by several, mostly independent, inventors during the three decades from the 1850s to the 1870s, in particular Friedrich Zöllner in 1869–1872 who popularized this instrument. With the exception of an instrument designed by Alexander Gerard in 1851, all these preliminary pendulums were suspended with two wires. Slightly different forms of horizontal pendulums were invented in Japan by James Ewing and Thomas Gray in the early 1880s, based on bracket or conical suspensions. The merit of demonstrating the outstanding potential of high-sensitivity horizontal pendulums completely relies on the work of Ernst von Rebeur-Paschwitz between 1886 and 1895. He successively developed three models of pendulums, in collaboration with three different manufacturers: the Fecker pendulum in 1886, the Repsold pendulum in 1888, from which six copies were produced, and finally, the Stückrath two-component model in 1894, built in three copies. Based on the scrutiny of a large number of previously unexploited archives, the detailed chronology of Rebeur-Paschwitz’s achievements is presented. Archive, and in situ explorations allowed us to discover five out of the six original copies of the first Rebeur-Paschwitz’s Repsold pendulum previously unknown or thought to be lost.
Starting Page	315
Ending Page	343
Page Count	29
File Format	PDF
ISSN	13834649
Journal	Journal of Seismology
Volume Number	16
Issue Number	2
e-ISSN	1573157X
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-01-26
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Horizontal pendulum Historical seismology Rebeur-Paschwitz Repsold Stückrath Structural Geology Geophysics/Geodesy Hydrogeology Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology Geophysics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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