BS 6872:1987 - Specification for visual densities of diazo and vesicular second-generation microforms

BS 6872:1987

Specification for visual densities of diazo and vesicular second-generation microforms

Status : Superseded, Withdrawn   Published : August 1987 Replaced By : BS ISO 8126:2000

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Values for the diffuse visual density of diazo films and the projection visual density of vesicular films.




Standard NumberBS 6872:1987
TitleSpecification for visual densities of diazo and vesicular second-generation microforms
StatusSuperseded, Withdrawn
Publication Date28 August 1987
Withdrawn Date15 May 2000
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS ISO 8126:2000
Draft Superseded By84/65217 DC
DescriptorsMicroforms, Microphotography, Microfilm, Microfiche, Aperture cards, Duplicating, Testing conditions, Optical properties of materials, Transmittance, Computer output on microfilm
ICS37.080
Title in FrenchDensité visuelle des microformes (copies) diazoiques et vésiculaires. Spécifications
Title in GermanOptische Dichte von nach dem Diazoverfahren und nach dem Vesikularverfahren hergestelltem Mikrofilmen
CommitteeIDT/1
ISBN0 580 16123 4
PublisherBSI
FormatA4
DeliveryNo
Pages4
File Size258.3 KB
Price£48.00


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