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814:{{Information |Description ={{en|1=Top end of an early 1970's TESLA telephone exchange produced in Czechoslovakia}} |Source ={{own}} |Author =
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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English Knowledge (XXG) use this file (pages on other projects are not listed):
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Top end of an early 1970's TESLA crossbar telephone exchange produced in
Czechoslovakia
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Click on a date/time to view the file as it appeared at that time.
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Flash fired, strobe return light detected, compulsory flash firing
818:|Date =2009-12-20 |Permission = |other_versions = }
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I, the copyright holder of this work, release this work into the
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copyrighted, dedicated to the public domain by copyright holder
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In some countries this may not be legally possible; if so:
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released into the public domain by the copyright holder
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Add a one-line explanation of what this file represents
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Commons is a freely licensed media file repository.
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
