Sinclair Research Ltd.
3 Sinclair Plaza, Nashua, NH 03061
Sinclair Research was the most recognizable of a series of names for a company Clive Sinclair started to produce his many inventions.
Sinclair Research designed, marketed and sold the MK-14, ZX80, ZX81, ZX Spectrum, QL and a variety of other products.
US Employees
- Maggy Bruzelius, Executive Vice President for U.S. Operations
- Nigel Searle, Managing Director
- Cynthia D’Angelo, Director
- Leonie Freo Baldwin, Customer and General Public Relations Co-ordinator
- Beth Elliot, Technical Advisor/Hardware Department
- Mary Reinman, Public Relations Manager
- David Ornstein
Products
| Name | Description | Computers |
|---|---|---|
| 16K RAM | Sinclair ZX80, Timex/Sinclair 1000 | |
| 1K Games | A selection of 11 exciting games for the unexpanded ZX81 or T/S1000 computer. Games include: Slot Machine, Etch and Sketch, Slalom Ski, Catch Me If You Can, Space Pirate, Spacefire (2 versions), Car Crash, Man-Eating Budgies, Maze and the Wall. | Timex/Sinclair 1000 |
| 8K BASIC ROM | The new BASIC allows the use of floating point arithmetic to nine digit accuracy, and contains log and trig functions with inverses. This ROM facilitates improved graphics, and contains 37 new functions including DRAW, DATA, ARCSIN, VAL, and SCROLL. The plug-in conversion includes a new keyboard template and a supplementary manual. | Sinclair ZX80 |
| Astronomer's Guide | Contains astromap, giving access to information on 800 stars and other celestial objects. 16K. | Timex/Sinclair 1000 |
| Backgammon and Dice | Great for beginning players. If one player tries to perform an illegal move, the screen prints out an explanation of why it is illegal. Columns are marked with letters, beginning at A on the upper right. It has four levels and a doubling cube. 16K. | Timex/Sinclair 1000, Downloadable |
| Cassette 2: Junior Education | 7 programs to help with addition, subtraction, multiplication, division, and spelling. Crash, Multiply, Train, Fractions, Addsub, Division, Spelling. 7-11 year olds. 16K. | Timex/Sinclair 1000 |
| Cassette 5: Junior Education | Math: 4 arithmetic functions at 3 levels of difficulty. Balance: See-saw theory. Volumes: Cube is drawn with dimensions given. Averages: Mean and mode. Bases: Decimal to other bases. Temp: Find resultant temperature from mixing 2 barrels of water at different temperatures. 9-14 year olds. 1K. | Sinclair ZX81 |
| Chess | All legal moves including castling and en passant. High resolution graphics and 6 levels of play are supported. Special feature lets you set-up the board to study chess strategy. 16K. | Timex/Sinclair 1000, Downloadable |
| Computer Learning Lab | Self-paced course that teaches the ins and outs of computers. Includes ZX80. | Sinclair ZX80 |
| English Literature 1 | Quizzes about authors. 16K. | Timex/Sinclair 1000 |
| English Literature 2 | Quizzes about poets and playwrights, modern authors. 16K. | Timex/Sinclair 1000 |
| Fantasy Games | Two role-playing adventure games. In Perilous Swamp, you must survive the monsters and rescue the princess. Escaping from Sorcerer’s Island is even harder. 16K. | Timex/Sinclair 1000 |
| Flight Simulator | Full controls, instrumentation and a view of the horizon. Use the radio beams and radio compass to navigate. Avoid hazards near the landing field. Promotes an understanding of air flight. 16K. | Timex/Sinclair 1000, Downloadable |
| Geography 1 | Quizzes about towns and locations in Europe. 16K. | Timex/Sinclair 1000 |
| History 1 | Quizzes about events in British history and monarchs. 16K. | Timex/Sinclair 1000 |
| Inventions 1 | Quizzes about inventions before and after 1850. 16K. | Timex/Sinclair 1000 |
| Keytops for QL | Use to replace broken or missing key or whole set. Not available directly from Sinclair; this was available from third-party vendors. | Sinclair QL |
| Music 1 | Quizzes about composers and musicians. 16K. | Timex/Sinclair 1000 |
| QL case | Contains keys and bare motherboard. Not available directly from Sinclair; this was available from third-party vendors. | Sinclair QL |
Books
| Name | Description | Computers |
|---|---|---|
| QL Technical Guide | Sinclair QL | |
| Who's Who at Sinclair | Ring bound guide to Who’s Who at Sinclair was given to staff at the company. It gives profiles on the key staff complete with pictures. It was only available to staff. |
Documents
| Title | Description | Computers |
|---|---|---|
| American Express Boosts Sales of the ZX81 | American Express has received over 25,000 orders in the last three weeks for the Sinclair ZX81 personal computer, following an initial direct mail offer to two million American Express US cardholders at the end of May. In a very positive initial response 2,000 orders alone were received by noon the day after the mailing, and | |
| Important Information memo | Orders for kits are filled with assembled models, connecting the ZX81 to the TV, repair and refund, technical assistance, available software. | |
| Letter from Sinclair Research to Charlie Day Nov 7 1984 | Dear Mr. Day: Many thanks for your kind letter expressing your enthusiasm for the QL. As you can imagine, we are very proud of the machine and anxious to make it available to people like you. In response to your request for information, I am enclosing a QL brochure and also a Users Guide. This | |
| Letter from Sinclair Research to Tom Bent re 8K ROM Upgrade | Sinclair Research has no problem with your proposed eprom for improvements to the operating system. | Timex/Sinclair 1000 |
| Sinclair flyer | Sinclair ZX81 | |
| Sinclair IF1 Interface ROM Assembly | Complete assembly language source listing of the Sinclair Interface 1 (IF1) ROM, covering the Microdrive, LAN network, and RS232 software routines as implemented in the Spectrum Interface 1. | Timex/Sinclair 2068 |
| Sinclair order form | Sinclair ZX80, Sinclair ZX81 | |
| Sinclair ZX Spectrum Software Catalog | Product catalog from Sinclair Research listing available hardware and software for Timex/Sinclair computers. | |
| ZX81 Assembly Instructions | May 1983 three-page internal memo by Louis Galie of Timex Computer Corporation describing the organizational structure of computer engineering, including an org chart. |
Downloads
| Name | Description | Computers |
|---|---|---|
| VU-Calc | A full spreadsheet application packed into REM statement machine code, with a BASIC menu for entering, continuing, and saving your data to tape. | Timex/Sinclair 1000 |
| VU-Calc | Spread-sheet approach to fiscal analysis, engineering calculations, statistical analysis and more. Formula approach locates and calculates complex tables of numbers and letters. | Timex/Sinclair 2068 |
| VU-Calc | Spread-sheet approach to fiscal analysis, engineering calculations, statistical analysis and more. Formula approach locates and calculates complex tables of numbers and letters. | Timex/Sinclair 2068 |
| VU-File | A full-featured database manager with machine code at its core, handling record entry, search, sorting, printing, and cassette save through a BASIC menu shell. | Timex/Sinclair 1000 |
Articles
| Title | Description | Computers |
|---|---|---|
| $99.95 Timex Sinclair 1000 microcomputer debuts | Calling it a “milestone in the 125-year history of the Timex Corporation,” Timex introduced a $99.95 personal computer with 2K memory, which was developed by Sinclair Research and is essentially an upgrade of the Sinclair ZX81 micro. The Timex Sinclair 1000, as the computer is called, adds an extra 1K memory to the ZX81. Further | Timex/Sinclair 1000 |
| 16K RAM Approved; New Interface | Federal Communications Commission (FCC) approved Sinclair’s 16K RAM for the U.S. market. C.A.I. Instruments has completed work on three interfaces. | Sinclair ZX80 |
| 16K RAM Pack Schematic Corrections | Corrections to problems with the 16K RAM pack schematic printed in SYNC 1:5. | |
| 8K Basic ROM | While the 4K Integer Basic in the Sinclair ZX80 is adequate for many applications, most programmers will eventually feel a hunger for more power. True, advanced functions can be simulated by way of subroutines, but such measures eat memory at an alarming rate. Enter the 8K Basic ROM. The chip costs a mere $39.95, which | Sinclair ZX80 |
| 8K Basic ROM and 16K-Byte RAM Pack Specifications | Sinclair ZX80 | |
| 8K ROM Update | Sinclair now has another source of 8K ROMs. According to Nigel Searle, the new manufacturer will deliver by September 1 enough ROMs to both replace bad ROMs and satisfy demand for new ones. | Sinclair ZX80 |
| 8K ROM, 16K RAM Updates | 8K ROMs will arrive in late February. RAMs, no firm date. | |
| A Brief Overview of the Chicago Consumer Electronics Show and National Computer Conference in Houston | The Sinclair Spectrum was introduced in the US at the CES. TIMEX was actively promoting the $99.00 TIMEX/Sinclair computer. | Sinclair ZX Spectrum, Timex/Sinclair 1000 |
| A British computer hits it big | In the consumer electronics industry, Clive Sinclair is known worldwide as a phenomenally creative inventor whose marketing fiascoes have more than once driven him to the brink of financial disaster. But one month after springing his latest product – a dirt-cheap personal computer called the ZX81 – on the U.S. market, the British entrepreneur finally | Sinclair ZX81 |
| A piece of cake in Dundee | Lynd Church goes to Scotland to discover just how the ZX-81 is manufactured. In keeping with its philosophy of sub-contracting all manufacturing processes, Sinclair Research appointed Timex to produce the ZX-81 when it was introduced in March 1, 1981. Since that time, production at the Timex plant at Dundee has increased from 10,000 to 60,000 | Sinclair ZX81 |
| A Report on the Spectrum | The Spectrum is a ZX81 that has been developed by adding a hi-resolution display, color board, improved cassette interface and larger keyboard. | Sinclair ZX Spectrum |
| American Express To Market Sinclair Research Computers | Sinclair Research Ltd., the British personal computer maker said American Axpress will test market Sinclair’s $149.95 ZX-81 personal computer by mail this fall. A spokeswoman for American Express, which has a $140 million annual mail order business, says that if the test program is successful, the company will offer it to the 9.5 million U.S. | |
| An Interview with Alfred Milgram | Alfred Milgram, president of Melbourne House and David Ahl chat about the ZX80, Sinclair Research, and two new books. | MicroAce, Sinclair ZX80 |
| Authorized Sinclair Repair Services | MicroSync will take over Sinclair’s repair work for ZX80s and ZX81s. | |
| Bankruptcy Filing for Cambridge North America | ||
| Betting is heavy - and we're not talking about Ascott | Report from England about Sinclair and the BBC’s impending micro; Sinclair being passed over for the BBC micro and Sinclair’s confidence in the predicted success of the Spectrum. | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Timex/Sinclair 2068 | |
| Bits & Bytes | Sinclair QL, Timex/Sinclair 2068 | |
| Bits & Bytes | Sinclair QL, Timex/Sinclair 2068 | |
| Sinclair Research of U.K. to Unveil A Microcomputer: Weighing Less Than a Pound, It Will Cost $200 in U.S., Will Be Marketed Soon | Sinclair ZX80 | |
| Timex says it's leaving the home-computer market | Timex joined the list of home-computer drop-outs with last month’s announcement that it plans to cease production and sales of the Timex/Sinclair 1500 and 2068 color computer. The company plans to continue manufacturing computers and peripherals for other companies. | Timex/Sinclair 2068 |
| U.K. Firm Bringing Out Small, Low-Priced Microcomputer | A British electronics company, Sinclair Research, said it is bringing out a microcomputer that measures nine inches by seven inches by two inches thick at its maximum and weighs less than a pound. More important for many computer addicts, will be the machine’s price of about $220 in the U.S., where it will be marketed | Sinclair ZX80 |