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history [2012/07/30 23:20] – created, with note from robishaw thesis james_mcbride | history [2012/07/30 23:21] – james_mcbride | ||
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===The Troland=== | ===The Troland=== | ||
- | From the thesis of the esteemed Tim Robishaw: "While the Troland (Td) is a unit of retinal illuminance, | + | From the thesis of the esteemed Tim Robishaw: "While the Troland (Td) is a unit of retinal illuminance, |