| Description | Annotated on spine of box '1/1 M&T 58&59 Hayes computer
2/1 M&T 60&61 17.5.62 Computer'
and on the side of the box:
'T147
1/1 Maker & Tool 58 & 59 Hayes (computer) (original) 17.5.62
Mr Peter Sell, ast chief engineer, computer deviser (development engineer) West Drayton
2/1 Maker & Tool 60&61 (copied 4.1.65) Computer cont’d 17.5.62' |