Album: Photos:Dog-e-DoorII
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This is basically a winch with a timer on it. The idea was to keep the dogs inside until a certain time. The dog door insert that blocks the door slid down to close and up to open. With the timer set, it would winch open the door block, allowing the dogs to go out.
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All photos Copyright Brian A. Whaley. All rights reserved.
Album created by album generator from David Ljung's MarginalHacks on Sat Feb 27 13:22:37 2021