| Construction of the H.E.S.S. telescopes | |||||
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| Photon detectors, upper half with light-collecting funnels in front of photon detectors (December 2001) | |||||
| Construction of the H.E.S.S. telescopes | |||||
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| Photon detectors, upper half with light-collecting funnels in front of photon detectors (December 2001) | |||||
