SADIE, SUSIE and the Molecular 18

 

Molecular 18


Launched in 1972, the BCL Molecular 18 remained in production until the early 1990s. Although the physical construction changed over the years, the logical design remained very much the same.

Documents

General

Molecular 18 Processor and Instruction set
What made the Molecular Special?
Molecular Operating System
Survey of mini-computers available in 1973

Model Specific

Mark 1

Sales Brochure Page 1 - Page 2 - Page 3
Processor Page 1 - Page 2
Printers Page 1 Page 2 Page 3
Terminals Page 1 Page 2
Paper Tape Page 1
Ledger Cards Page 1
Disk Drives Page 1
CRT Page 1
IBM 735 Page 1

Mark 2

Processor Page 1 - Page 2
Printers Page 1 Page 2 Page 3
Terminals Page 1 Page 2 Page 3
Paper Tape Page 1
Disk Drives Page 1
IBM 735 Page 1

Mark 3 or 6M

Advert 1

Mark 4

Advert 1
Control Panel 1

Mark 5

Control Panel 1

Distributor

Control Panel 1
Processor
CPU 1
CPU 2
CPU 3
Memory 1

 

The sole purpose of this web site is to record the history of these machines and to provide a reference site for computer historians.