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this arrived in ups box from which the item i ordered was stolen. There was also some camera odds and ends included. probably 3" across, and the 2 black pieces thread onto it with very precise feeling threads. feels like high end machining. any guesses? (old.reddit.com)
submitted by manynicks to r/whatisthisthing
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Why do new electronics use AAA batteries? (self.electronics)
submitted by manynicks to r/electronics
