Nice write-up on how to build anĀ Allen Hydrautomat, which was an insteresting way to move water upwards.
http://www.instructables.com/id/The-Allen-Hydrautomat-a-working-paint-tin-model/
Nice write-up on how to build anĀ Allen Hydrautomat, which was an insteresting way to move water upwards.
http://www.instructables.com/id/The-Allen-Hydrautomat-a-working-paint-tin-model/