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Public Timelines
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17h 16min, dec 19, 1915 y - Engineers S. E. Bramer, Jacob Roth, F. R. S. Kaplan, Simon Loeb and William Smith, Sr. create the first permanent metallurgical bond between copper and steel in Rankin, Pennsylvania

Added to timeline:

12 Nov 2017
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715

Date:

17h 16min, dec 19, 1915 y
Now
~ 110 years ago