Micrographics. Inspection of silver-gelatin microforms for evidence of deterioration Ingestion-build-242630 BS 4656-2 on the specification

BS 4656-2 on the specification for copying lathes and copying attachments is useful for:

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Micrographics. Inspection of silver-gelatin microforms for evidence of deterioration Ingestion-build-242630 BS 4656-2 on the specification1 Scope This Technical Report applies to all forms of silver gelatin microfilm, whether in roll, aperture card, jacket or microfiche format. It describes the equipment and procedures necessary to identify and monitor deterioration. This information serves to identify the extent and nature of the problem and will ultimately provide a sound basis for any remedial action that may be required.