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Title: helium-neon laser by Scientifica-Cook, London, 1983, with po [Go to resource]
Description: helium-neon laser by Scientifica-Cook, London, 1983, with power supply drive unit. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: E2005.260.170 Go to resource More Like this...
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