VacuumVolume 28, Issues 6–7, June–July 1978, Page 309Vacuum newsACM Machinery Ltd—Change of addressAuthor links open overlay panelACM Machinery LtdShow moreShareCitehttps://doi.org/10.1016/0042-207X(78)90094-5Get rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 1978 Published by Elsevier Ltd. All rights reserved.