New Building - Interior - Pent House - Tanks, Refrigeration and Washed Air Equipment [Detroit News]

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Radio - Equipment - Ultra High Frequency Converter Designed and Built by A. B. Allen [Detroit News]

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Radio - Equipment - Ultra High Frequency Converter Designed and Built by A. B. Allen [Detroit News]

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Radio - Mobile Unit #1 - Pack Set - Equipment

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Radio - Mobile Unit #1 - Pack Set - Equipment

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Radio - Mobile Unit #1 - Pack Set - Equipment

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Radio - Mobile Unit #1 - Pack Set - Equipment

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Radio - Mobile Unit #1 - Pack Set - Equipment

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Radio - Mobile Unit #1 - Pack Set - Equipment

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Radio - Mobile Unit #1 - Pack Set - Equipment

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Radio - Short Wave Adapter - Equipment

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Radio - Short Wave Adapter - Equipment

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Television - Equipment - Antenna on Penobscot Building [Detroit News]

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Television - Equipment - Antenna on Penobscot Building [Detroit News]

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