955 resultados para Microscopie à balayage à effet tunnel
Resumo:
[Procès. Hingray. 1832 ?]
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A service tunnel from Central Utilities to elsewhere on campus.
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Tunnel with air ducts running along ceiling.
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Steel framework being laid for the Service Distribution Tunnel. Many of these tunnels run under the Brock Campus supplying important utilities and other functions.
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Four men (unidentified) walking in tunnel wearing hard hats and carrying flashlights.
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Consulting Engineer drawing of Sections of the Discharge Tunnel. Included in the drawing is the "cross section of tunnel with timbering" and "longitudinal section showing Timber in straight tunnel". Dated October 1902.