Date: | |
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Description: | Pawling & Harnischfeger type "AN" crane with a type "A" trolley and a standard hook at Holthoff Machinery Co., Power & Mining Machine Co. There is a man in... |
Date: | 01 23 1955 |
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Description: | Close-up of small metal rings next to a machine. Caption reads: "The tiny rings popping out of this machine at a rapid clip are silver brazing parts... |
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