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DE-2553 |
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|a 99670
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| 091 |
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|a aram06
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1 |
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|a Aschoff, V.
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1 |
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|a Aus der Frühgeschichte der optischen Telegraphie.
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| 300 |
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|a 9-26, Abb.
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|a arom
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1 |
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|a Aschoff, V.
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0 |
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|w 000267477
|t Die Technikgeschichte als Vorbild moderner Technik
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|c AN
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|a Nachrichtenwesen
|2 xAntNachr
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| 040 |
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|a DE-2553
|c DE-2553
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| 999 |
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|c 195782
|d 195782
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| 953 |
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|b DAIR
|z Automatically added holding branch key.
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| 953 |
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|b DAIZ
|z Automatically added holding branch key.
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