MLchartDataset catalogue

APERTURE CARD

Term · Environment · MLC-T-ENV-001867

An 80-column tabulating sized card with a hole, or aperture, containing usually one frame of 35-mm microfilm. Generally used for engineering drawings, maps and charts, and x rays.

Table 1. Record
IdentifierMLC-T-ENV-001867
FieldEnvironment
SubjectPolicy and guidance
ReferencesRecords Glossary
Record as JSON 
{
  "id": "MLC-T-ENV-001867",
  "term": "APERTURE CARD",
  "field": "Environment",
  "definition": "An 80-column tabulating sized card with a hole, or aperture, containing usually one frame of 35-mm microfilm. Generally used for engineering drawings, maps and charts, and x rays.",
  "subject": "Policy and guidance",
  "references": [
    "Records Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/aperture-card/"
}

Record 1,867 of 30,736 in Environment terminology (MLC-0121). Request the full dataset.