SR-16 (1974): Superseded by the SR-16II within a year. All advertising photos, manuals, and boxes I've seen show the 1st version, though it's far less common. 5050 (1975): I believe this was the 1st handheld printing calculator with vertical printing. SR-51 price wars of the mid-70s. by Larry GilbertReprinted from The International Calculator Collector. High-quality, unlike its many knockoffs. 59 (1977): Surprisingly common, given its expense and sophistication. The “Database” is probably the biggest source of typewriter serial numbers in the Internet today. In the 2nd version, the logo moves down to the upper area of the faceplate. No doubt the best-selling calculator ever. 1500 (1974): Nifty little unit with thick chrome borders - one of my favorites. Unusual orange display. Texas Instruments Parts. Use this tool to find TI product information based on package top markings. Some models are difficult to find in good condition. Search by. 1600 (1976): The 1600 series consisted of slimmed-down models that prefigured the styling of LCD units. The earlier has a recharging time of 16 hrs. There are many rare models and a few less-common variations of well-known models. 1-2 KeyStone Architecture Serial Peripheral Interface (SPI) User Guide SPRUGP2A—March 2012 Submit Documentation Feedback Chapter 1—Introduction www.ti.com 1.1 Purpose of the Peripheral The SPI is a high-speed synchronous serial input/output port that allows a serial bit Business Analyst (1976): The first in a long line of popular financial calculators. For this article, I divided TI calculators into four categories based on degree of rarity. 1205 (1976): Another colorful 1200 relation, but this one has oversized lettering too. 200000: Nov. 1964: Serial numbers for Reynolds instruments were reset in 1964 after the company moved from Cleveland to Abilene, Texas. (1975): TI replaced the SR-50 and SR-51 in mid-1975 with the "A" models. Tell us, If … Sometimes found with the PC-100 printer. (1973): There are two versions. Calculator body is a lighter cream shade compared to 2500's beige. How can you tell the difference? Other models, such as the 2500 and 2550, are usually in quite nice condition. SR-10 - 2nd version 1050 (1977): Another entry in the 1000/1025 line, but not nearly as plentiful. Lookup Mobile Home | Manufactured Home Serial Number In Texas. Serial Number Check. It has the same green case color as the other. in a green color, (2) the Exactra line (models 19, 20, 21, 22, and 23), reminiscent of the more colorful 1200 models, but sold as early as 1973, and (3) many Montgomery Ward models (identified by the "TXI-" prefix to the It would be easy to conclude that all TI calculators are commonly found and not much of a challenge to the avid collector. Finally, TI calculators often have a data code stamped on the back. For a fascinating article on the invention of the "pocket calculator" see "Texas Instruments Cal-Tech: World's First Pocket Electronic Calculator" on this site. SR-10 - 1st version (1972): TI's first "SR" (Slide Rule) model. 58C (1979): Model 58 with continuous memory. Truckers Insurance; Builders Risk; General Liability; Resources. Click to any lookup part under Texas Instruments, they will show you detail information consist of part number, model code, price and description for your … However, this is not the case. Utilizing this database, you can verify before or after purchasing an item if said object has been marked as missing or stolen. 2500 Datamath (LCD version): Prototypes were produced, but display unreliability prevented it from being offered to the public. Eventually sold at give-away prices. Typewriter Serial Number Database WOW. They are surprisingly difficult to find. They also had such extensive product lines at times that their own products must have competed against each other. Repetition and overlapping of serial numbers and years also occur regularly. 2500 Datamath - 1st version (1972): TI's first pocket calculator. 2500 Datamath - 2nd version TI made calculators for sale under other names, including Radio Shack. Texas Instruments provide information up to 87 component parts for your lookup. 45: scientific model with a fluorescent display; similar in styling to the TI 30. The 150 (1974): Possibly the rarest TI. 1400 (1976): Has a brown carrying case, not the usual black. Interestingly, some of the earlier models, such as the SR-10 and SR-50, appear to be easier to find Some examples are (1) the Longines Symphonette 2500, a clone of the TI 2500 Datamath (2nd version), but TI chargers, too, have date codes, expressed as Wiz-A-Tron (1976? 1025 (1977): Often found in the original box. Apparently there are also differences in the display angle and brightness (which resulted in Consumer Reports' action). This model is borderline moderate/difficult. A count through my own month and year, such as "7 72". Uses disposable batteries. Deciphering a chip's part number is a very ambitious process and most of the time, typing the whole part number in a search engine gets you nowhere. SR-22 (1973): desktop-sized model with programming functions such as hexadecimal and octal conversions. Home; Personal Lines. 1982 saw the introduction of the U.S. Vintage Series instruments and “V”-prefix serial numbers. Longines-Symphonette Electronic Calculator, "Texas Instruments Cal-Tech: World's First Pocket Electronic Calculator". model number). This calculator is also more stylish than any of TI's other advanced models. The keys and body style of 2550, painted-on silver trim of SR-10. 2500 - II (1974): Similar to 2500 but has % key and cheap logo strip that tends to peel off. (1973): Again, two versions. Since my article was publishing, I have discovered and/or been informed of additional models, which all appear to be somewhat rare. Click links below to view package drawing and footprint information, or click on the part name for complete product folder or more device information. It has the same green case color as the other. Related resources. Texas Instruments Calculators (1972-79) How rare are they? Please enter TI package name or part number with pin count. 1265 (1976): Has a blue fluorescent display, unique within the 1200 series. Client Portal; News & Blog; Areas Served; Mobilehome Repairs; Mobilehomes For Sale; Lookup Owner By Serial# … 1270 (1976): Colorful model. Who comes up with this stuff? (1975): Also often found in the original box. Search information on TI products by part number, TI package name or pin count. Similar styling to the 1200, but a little higher quality. You may search by actual marking on a TI part, or by a TI part number. The first earned a "best buy" from Consumer Reports; the second earned a retraction from Consumer Reports five months later. © Text & photographs copyright Nigel Tout 2000-2020 except where noted otherwise. Serial numbers after 79000 appear to be made in Abilene (see “Reynolds: 1964-1979”) with Cleveland-made parts. collection revealed over 40 different models and there are many I don't have! Mobilehome Quote; Auto; Renters Quote; All Quote Forms ; Commercial Lines. Search information on TI products by part number, TI package name or pin count. ): The 1200 with more "feminine"-colored faceplate and keys. The Montgomery Ward calculators are especially fascinating as they are not obvious clones yet can be identified as related to specific TI models. Where to find the serial number The serial numbers have been placed on or in the guitar in different places over the years. An Index to Serial Number Lists. A Serial-to-Ethernet (S2E) converter provides a simple solution to solve the challenges posed by such EE's. 1200 "Lady" (1975? 76 - "Spirit of 76" (1976): Red/white/blue Bicentennial (of the USA) model. Another 1200 progeny. These include: Concept 1 and 2: same style as 1200 series but with a two-tone rust and gray faceplate. 2510 "Texas Instruments" and "rare" sounds like a contradiction. The only way to definitively date U.S. instruments with “V”-prefix serial numbers is to remove the neck and check the butt end of the neck heel for a production date, which may be stamped or written there. 1-866-TexasMobile info@texasmobilehome.com. TI appeared to like orange. The 1200 series styling was used on many other TI calculators and they all shared the annoying characteristic of loose or missing faceplates. Anyone who searches for early electronic calculators quickly senses the extent to which TI dominated the market in the 1970s. 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