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What is No. 10 Time Pencil Detonator Guide about?
This document provides information about a time delay switch used in filmmaking and explosives. The switch works by using an acid to corrode a copper wire restraining a spring-loaded striker over a variable period of time depending on factors like acid strength and temperature. The expected delay time was indicated by the color of the safety strip or bars on the switch, with colors corresponding to delay times ranging from 10 minutes to 30 hours.
- Author
- raman kumar
- Language
- EN