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The slug reduces the pretravel to nearly zero
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Back in the day, they had speed bumps.
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It’s mounted on the blade of a dirt-cheap 2 foot machinist’s square clamped to the bench
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There’s nothing too complicated about any of that.
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That’s in photovoltaic mode directly connected to the oscilloscope
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The camera takes quite a while to haul itself to its feet and click the shutter
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The test setup, a term that barely applies in this situation, isn’t stable enough to say anything about the relative light output
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As you might expect, the hose isn’t a replaceable part.
The Smell of Molten Projects in the Morning 