Dynamic Detonators - A steel plate test is used to illustrate the initiating power of the new type of blasting caps. The hole in the plate at left was made with the recently developed detonator, arranged as shown on the center plate. The dome-shaped depression in the plate at right was made with the conventional type of cap. August 29, 1946. (Photo by Wide World Photos).
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Creative#:
TOP27909683
Source:
達志影像
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RM
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EditorialUseOnly