Identity area
Reference code
BR/3/21/1/10
Title
Photograph of Mask used in The Colossus photoelectric reader
Date(s)
- 1980 (Creation)
Level of description
Item
Extent and medium
3 items, black and white photographic negative and print
Context area
Name of creator
Archival history
Immediate source of acquisition or transfer
Content and structure area
Scope and content
Endorsed "File Machines/ Colossus. Fig 7 Mask Used in Photoelectric reader (actual size)". (Negative and print).
Appraisal, destruction and scheduling
Accruals
System of arrangement
Conditions of access and use area
Conditions governing access
open
Conditions governing reproduction
Language of material
- English