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BS 6092-4:1981*ISO 1691-1976

Methods of sampling and test for sodium and potassium silicates for industrial use. Determination of carbonate content

Methods of sampling and test for sodium and potassium silicates for industrial use. Determination of carbonate content

BS 6092-5:1981*ISO 1692-1976

Methods of sampling and test for sodium and potassium silicates for industrial use. Determination of total alkali content

Methods of sampling and test for sodium and potassium silicates for industrial use. Determination of total alkali content

BS 2782-6:Method 621C:1983*ISO 171:1980

Methods of testing plastics. Dimensional properties. Determination of the bulk factor of moulding materials

Methods of testing plastics. Dimensional properties. Determination of the bulk factor of moulding materials

BS 5987:1980*ISO 1839-1980

Methods for sampling tea

Methods for sampling tea

ISO 1730:1980

Dictation equipment - Basic operating requirements

ISO 1831:1980

Printing specifications for optical character recognition

BS 5667-1:1979*ISO 1819-1977

Specification for continuous mechanical handling equipment - safety requirements. General

Specification for continuous mechanical handling equipment - safety requirements. General

ISO 1113:1979

Information processing - Representation of the 7- bit coded character set on punched tape

ISO 131:1979

Acoustics -- Expression of physical and subjective magnitudes of sound or noise in air

BS 1728-25:1980*ISO 1118:1978

Methods for the analysis of aluminium and aluminium alloys. Titanium (spectrophotometric chromotropic acid method)

Methods for the analysis of aluminium and aluminium alloys. Titanium (spectrophotometric chromotropic acid method)

ISO 1155:1978

Information processing - Use of longitudinal parity to detect errors in information messages

ISO 140-1:1978

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 1: Requirements for laboratories

ISO 140-2:1978

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 2: Statement of precision requirements

ISO 140-3:1978

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 3: Laboratory measurements of airborne sound insulation of building elements

ISO 140-4:1978

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 4: Field measurements of airborne sound insulation between rooms

ISO 140-5:1978

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 5: Field measurements of airborne sound insulation of facade elements and facades

ISO 140-6:1978

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 6: Laboratory measurements of impact sound insulation of floors

ISO 140-7:1978

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 7: Field measurements of impact sound insulation of floors

ISO 140-8:1978

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 8: Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a standard floor

ISO 1858:1977

Information processing - General purpose hubs and reels, with 76 mm (3 in) centrehole, for magnetic tape used in interchange instrumentation applications