Machine Index
Below is a list of the machines manufactured by a small group of companies that belong under the general BCL umbrella.
Regarding date: If I have no idea, then the date will be left blank. If I suffix the year with a ? then that is an educated guess. Otherwise the dates are from published documents.
Period | Mfr | Model Name | Version | Notes |
| 1962 | Systemation | BETSIE | Desktop 'calculator' designed to settle complicated bets | |
Systemation | DOTTIE | Systemation's first machine designed for commerical invoicing. | ||
| 1963 | Systemation & BisMec | SADIE | Sterling And Decimal Invoicing Electronically | |
| 1965 | Systemation & BisMec as BCL | SUSIE | Stock Updating Sales Invoicing Electronically | |
BCL | MULTI-SUSIE | An extention to SUSIE that support multiple workstations link back to a 'server' with a DRUM store. | ||
| 1971 | BCL | MOLECULAR | Mk 1 | The first Molecular model. |
| 1972 | BCL | MOLECULAR | Mk 2 | A development from the Mk 1 which added new features, but broke a lot of the Mk 1 applications. |
BCL | Mk 6ME | The new features added in the Mk 2 were removed. (Runs LOS) | ||
| 1977 | Allied Business Systems Ltd | Molecular | 80 | Not a Molecular, but a possible sales opportunity that failed to go anywhere. |
| 1977 | Allied Business Systems Ltd | MOLECULAR | Mk 4 | Not hugely different technically from the Mk 3, albeit in a new cabinet. (Runs either LOS or OS) |
| Systemation Developments Ltd | Mk 5 | Using the new three-board processor set from SDL Ltd as well as a new SMD disk controller, 32K Static RAM boards with battery backup, and new four port serial cards. (LOS not supported, OS Only) | ||
| 1985? | Systemation Developments Ltd | MOLECULAR | Distributor | Using the same hardware as the Mk 5, but a new smart cabinet with a discreet front panel beneath the top cover. (OS only) |
| 1987 | Business Computer (Systems) Plc | Distributor-EP | Using a new four part serial card designed by BCL and a software 'front panel'. (MPOS only) | |
| 1991? | Systemation Developments Ltd | AMIGO | A new processor set from SDL Ltd as well as their own new four part serial card. |