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Special thanks go to Christiane Herwartz and Werner Freundel who prepared the difficult translation. During the construction of the seismographic station we received help from many sides which we appreciate greatly and for which we would like to thank everyone.

Our thanks go to:

Scientific maintenance
  • Prof. Dr. E. Wielandt
Institute of Geophysics, University of Stuttgart
  • Prof. Dr. H.-P. Harjes
Institute of Geophysics, Ruhr-Universiy Bochum
  • Dr. G. Bokelmann
  • Dr. A. Cete
  • Dr. M. Jost
Institute of Geophysics, Ruhr-Universiy Bochum
  • Dr. R. Pelzing
State Geological Service NRW, Krefeld, Germany
  • Dr. R. Widmer-Schnidrig
Institute of Geophysics, University Karlsruhe
Main-Sponsors
  • Comp. Essers, Imgenbroich
especially Manager Kaczor Carpet for bottom floor of controlling roo
  • Employers Association All-Metal, Cologne
esp. Mr Gollep Sponsoring of the travelling expenses to Lepizig, 1998: Lecture of the Seismik-AG at the General Meeting of the MNU Association.
  • Stonemason Karl Goffart, Imgenbroich
for EW-Station-Seismograph: Stone-Cylinder & stone ashlar, drilling inclusive, 3 marble- stones for decoupling the Seismograph from the movement of the wall
  • Comp. GŸnther & Co., Frankfurt / Main
especially Mr. Schweighšfer Extremely small drilling bits with thickend shafts (0,51mm u. 0,41mm)
  • Windows Manufactory Herwartz, Herzogenrath
especially Architect Hans Herwartz Manufacturing of a sight chamber for the Endless paper-recording of the signals, cf. Fig. 36
  • Mechanical Laboratories Research Institute, JŸlich
by mediation of (our former student) Dr.-Ing. Arnold Lamm as well as by Dr. Herbert Dederichs:

for the immobile seismographs of the station: top end of pendulum's rod made from V-A- steel with extremely fine boreholes (spark-eroding), Al-plates, some adjustment-material
  • Lackdraht Union GmbH, Sulingen
especially Dipl.-Kfm. Gerd Abeling 2 large rolls ‡ 5.2 kg varnished wire 0.16mm "Superflex WS Grad 1" (for the coils of the seismographs)
especially City Manager Heinrich Jansen Material for our basement-laboratory : doors, paint for concrete-walls and additional material for electric installation
  • Steel & Metal Construction Albrecht Poschen, Simmerath
especially Mrs. Susanne Poschen for the School-Seismograph: Al profile-material and plexiglass
  • Mech. Laboratory, Inst. for Physics IIIa, Tech. Univ. of Aachen (RWTH), (Dir. Prof. Dr. S. Bethke)
especially Mechanical Master, Wolfgang Reuter: for the Station-Seismographs: arrangements for the adjustment of both U-magnets, pendulum-fixings (walls), deviation-roller for the endless-paper-registration, cf. Fig. 36
  • Iron Retrail Trade Comp. Scheins, Aachen
many V-A- screws of various size, (School Seismograph)
  • Market for Buildings & Construction, Josef Thelen, Simmerath
especially Dipl.-Btrw. Dietmar Thelen, former student of the St.-Michael Gymnasium special cement, sands and grit for both of the concrete-boards for the station seismographs; for the casings as shield against air-movement for each seismograph: paint, wood-material, a lot of styropor-material with gummer, a tool box
  • Thyssen Magnet-Technics GmbH, Dortmund
especially Dipl.-Ing. Joachim Krebs and Mr. …ttinghaus 2 high powered permanent magnets of Ne-Fe-B incl. material for the yoke of the magnet (School-Seismograph)
  • Vacuumschmelze GmbH, Hanau
especially Mr. H.-J Marik, Department DM-PM2
and Dr. Frank Jurisch
for School-Seismograph: high powered-permanent magnets "Vacodym 344 HR"
technical advice for the layout of a powerful v-U-transformer and the giving of NdFeB- magnets for our Seismic Workgroup
  • VEFF, St.-Michael-Gymnasium Monschau, association of former students & friends & promoters
especially StD' Freia SchwŠrzel Contribution of 400 DM and payment of a large showcase, mm-paper for endless-registration and additional special pencils
  • Comp. for Nonsparking Tools Eckart, GmbH u. Co., Geretsried
6 nonsparking (and nonmagnetic) 2bit fixed spanners from Be-Cu resp. Ampco for adjusting of the strong magnets
  • Magnetfabrik Schramberg
Mr. Schell giving of two square ended magnets h 270/95 h
Technical Expertise and Help
  • Dipl.-Phys. Dr. G. Dittmer, Research-Laboratory, Philips, Aachen
large permanent magnets (from old mass spectrographs) for the Station-Seismographs as a gift
  • Dipl.-Math. W. Franck, Computation Centre RWTH Aachen
supply with PC- and demonstration-programs and downloads of scientific programs by internet (shareware)
  • Kitchen Master H. JŠger, University-Hospital, RWTH Aachen
First supply with PC's (286) for the control-room of our station
  • Survey Technician H. Mertens, Monschau-Konzen
location by survey of some points of the outer wall of the seismograph-room in annex to a topographical point
  • Dipl.-Ing. M. Niebes, Monschau
PC-supplementation of the control-room (486)
  • Steel Construction Mechanic L.Palm, Monschau-Konzen
Fitting of the O-yoke for the demonstration-seismograph
  • Electro Master E. Poschen, Monschau-Konzen
Electro-Installation of the station
  • Dipl.-Ing E. Westram, Roetgen
help by fitting of diverse components

© Seismik-AG, St. Michael Gymnasium Monschau, 2005-2010