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electronic records
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microfilms
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vandercook
teleprinter
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switchboard operator
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phototypesetting
electronic records
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teleprinter
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tektronix
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radio relay
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watchmakers
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radiophonic
acousticians
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switchboard operator
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seamstresses
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gestetner
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teletype
kinematograph
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radio relay
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control desk
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secretariats
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lead accumulator
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bodyshells
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computer room
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chemical laboratory
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mimeograph
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radioteletype
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gestetner
photolithographic
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rolls of fabric
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quiltmaker