Acknowledgements
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 goes 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. Günther & Co., Frankfurt / Main | especially Mr. Schweigh�fer | 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, Jülich | 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 à 5.2 kg varnished wire 0.16mm "Superflex WS Grad 1" (for the coils of the seismographs) |
| Municipality of Monschau | 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 |
|
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) | |
|
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. Öttinghaus | 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 |
|
especially StD' Freia Schwärzel | Contribution of 400 DM and payment of a large showcase, mm-paper for endless-registration and additional special pencils |
|
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 | ||
|
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) | |
|
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 | |