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Watch a pendulum saw in action | Science News
17
Mar
Mar
Nicholas Blackwell, left, and his brother-in-law Brandon Synan demonstrate how to use a rope to operate a pendulum saw. They tested the rock-cutting device …
source
Nicholas Blackwell, left, and his brother-in-law Brandon Synan demonstrate how to use a rope to operate a pendulum saw. They tested the rock-cutting device …
source
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