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| GERMAN UNDERWATERS ORDNANCE MINES |
| ADDENDA |
| FIRMS WORKING ON MINE DEVELOPMENT |
| Firma Dr. Hell, Berlin-Dahlem, Kronprinzenstrasse 149 |
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– "A 104", "A 105", "A 107" – Dr. Hell and Dipl. Ing. Koll |
| HASAG (Hugo Schneider A.G.), Leipzig |
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– development of all pressure mine and
preliminary experiments with subsonic units. |
| AEG, Berlin, Friedrich-Karl Ufer 4 |
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– "AA 106", "MDA 106", "JDA 105", "D 103" ("M
101", "M 103", "MA 101") |
| Atlas Werke, Bremen |
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– "AA 106" (Schwingersysteme) Dr. Grandiot |
| ELAC-Kiel |
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– "AE 101". Dr. Fahrentholz, Dr. Koehler
(microphone specialist), |
| AEG-Werk, Nürnberg |
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– Mine cases. Dir. Fleckenstein |
| Vereinigte Oberschlesische Hüttenwerke, Gleiwitz |
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– Mine cases. Ing. Foreita |
| Firma Reichling, Krefeld |
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– Protective casings ("Schutzhauben") and
related parts |
| Rheinmetall-Borsig, Breslau/Sommerda |
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– Fuze "56", for aiming units and for opening main switches |
| Otto Gossel, Glashütte Sachsen |
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– Delay switches for "AD 104" and "AD 105" |
| Firma Benger, Stuttgart |
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– Parachutes (LS 3) for mines |
| Hartung und Braun – Frankfurt |
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– Magnetic units and relays |
| Hagenuk – Neufeld und Kuhnke – Kiel |
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– Design and manufacture firing mechanism |
| Pohl, Kiel |
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– Firing mechanisms |
| Gebrüder-Anderson, Kiel |
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– Mine bodies and magnetic-unit housings |
| Schmidding Werke – Cologne |
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– Light metal mine housings |
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