Micrographics - First generation silver - gelatin microforms of source documents - Density specifications

Eitemau Tebyg

• An introduction to micrographics
  Cyhoeddwyd: (1980)
• Micrographics -- Microfilming of documents on 16mm silver gelatin type microfilm -- operating procedures
  gan: 8096 British Standards Institution, et al.
• Micrographics - alphanumeric computer output microforms - quality control
  gan: 8096 British Standards Institution, et al.
• Density of silver-gelatin-type microforms
  gan: 8096 British Standards Institution
• Micrographics : vocabulary
  gan: 8096 British Standards Institution, et al.