INTERNATIONAL STANDARD ISO 387-1977 (E) AMENDMENT SLIP Published 1977-09-15 Hydrometers -- Principles of construction and adjustment MODIFICATION TO FOREWORD (inside front cOver) The IsO member body for Czechoslovakia has now withdrawn its disapproval of this International Standard. Czechoslovakia shouid therefore be included in the list of countries whose member bodies have approved the document. Copyright International Organization for Standardization Not for Resale 387 TSO NTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION MEKYHAPOIHA OPrAHH3ALMA HIO CTAHAAPTH3ALHH.ORGANISATION INTERNATIONALE DE NORMALISATION Hydrometers -- Principles of construction and adjustment Areometres - Principes de construction et d'etalonnage First edition - 1977-09-01 (3) LL6-85 Ref. No. 1SO 387-1977 (E) UDC 542.3 : 531.756.3 Descriptors : laboratory equipment, aboratory glassware, hydrometers, specifications, equipment specifications, calibrating. CopyrightInternational Oorganization for Standardization Price based on 5 pages d without license from IHS Not for Resale FOREWORD Iso (the Internationaf Organization for Standardization) is a worldwide federation of national standards institutes (isO member bodies). The work of developing International Standards is carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. Draft Internationai Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IsOCouncil. International Standard ISO 387 was developed by Technical Committee ISO/TC 48, Laboratory glassware and related apparatus, and was circulated to the member bodies in May 1976. It has been approved by the member bodies of the following countries : India Poland Australia Austria Ireland Romania Belgium Israel South Africa, Rep. of Canada Italy Spain Chile Turkey Korea, Rep. of France United Kingdom Mexico Germany Netherlands U.S.A. Hungary Philippines U.S.S.R. The member body of the following country expressed disapproval of the document on technical grounds : Czechoslovakia of which it constitutes a technical revision. @ International Organization for Standardization, 1977 Printed in Switzerland Copyright International Organization for Standardization Not for Resale