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| Manufacturer Model Serial Number |
Year of Manufacture | Date of Receipt | State upon Receipt | Current State |
|---|---|---|---|---|
| Ricomac 44218 |
1974 (ICs stamped with 4A,3K) | Good physical condition. Fully functional except for bouncy keyboard. | Fully functional except for bouncy keyboard (1970s). | |
| CDK 453342 |
1977 (IC stamped with 7710, IC of second unit with 7623) | Good physical condition, functional. | Fully functional (12 Jun 2001). | |
| Monroe E017715 |
1970 (Acoustic Delay Line unit stamped with 08 Oct 1970) | Good physical condition. | Fully functional (Dec 1997). | |
| Miida (unknown) |
1971 (ICs stamped with 7131,7132) | Good physical condition, but most keys stick down because the plastic plungers have cracked and expanded. | Case and keyboard discarded, electronics still functional (1990s). | |
| Facit 1415950 |
1973 (transistors stamped with 3B, IC with 3A) | Good physical condition, but something was wrong with it. | Non-functional (1970s). | |
| Texas Instr. (unknown) |
1975 (Integrated circuit stamped with 7508, APR 16 1975 on plastic bracket) | Unknown. | (case discarded) | |
| Facit 302.500 |
1969 (transistors stamped with 9C, capacitors with 6850) | Flaky, can't add. | Fully functional (Apr 2000). | |
| Toshiba 165632z |
1970 (sticker from Barr Business Machines (the retailer) on case says 1970) | Good physical condition. | Fully functional (15 Apr 2000). | |
| Victor 4666-006 |
1973 (Integrated circuits stamped with 7321 and 7322) | Good physical condition. Fully functional. | Fully functional (Jan 1990). | |
| Monroe 209040 |
1971 (Integrated circuits stamped with 7103, 7107, etc.) | Good physical condition, functional. | Fully functional (12 Jun 2001). | |
| Commodore 209040 |
1969 (Philco SC1772 ICs stamped with 6921 and 6945) | Some corrosion on screws and nuts. No display. | Fully functional (Feb 2000). | |
| Rapidman 06-400597 |
1973 (Integrated circuits stamped with 7309 and 7322) | Good physical condition, functional except some segments are slow to ionize. | Fully functional except for slow segments (12 Jun 2001). | |
| Canon 100206 |
1966 (transistors stamped with 6C, wire stamped with 1966) | Good physical condition, fully functional except for a few burned-out numeral lamps. | Fully functional (04 Sep 2000). | |
| Sony 620173 |
1970 (transistors stamped with 0J, capacitor with 9D) | Display active but numeral entry does not work properly. | Fully functional (Nov 1999). | |
| Sony 620175 |
1970 (ICs stamped with 0F) | Display active but showing random flickering numerals. | Functional. Occasional loss of state (02 Dec 2000). | |
| Eldorado 88925 |
1973 (Integrated circuit stamped with 7301) | Very dirty, functional except for bad display. | Fully functional (Jan 2000). | |
| Eldorado 92722 |
? | Very dirty, functional. | Fully functional (Jan 2001). | |
| Miida 722638 |
1972 (ICs stamped with 2G,2H) | Keys stick down. | Fully functional (Feb 2000). | |
| Addmaster 5614 |
1973 (Integrated circuits stamped with 7309 and 7313) | Very dirty, functional. | Non-functional. | |
| Commodore 39713 |
1973 (Integrated circuit stamped with 7312) | Very dirty. Chunk of plastic missing from lower front lip. Functional. | Fully functional (Jan 2000). | |
| Canon 200464 |
1971 (Integrated circuits stamped with 6927, 7031, 7126, etc.) | Some neon lamps light up. No printer motor activity. | Stuck in print mode. No known source for the special electro-sensitive paper (05 Apr 2002). | |
| Canon 700369 |
1966 (variable resistors in power supply stamped with 6604, transistors stamped with 6E.) | Good physical condition. Multiple and inconsistent functional problems: pressing the clear key does not clear all digits; pressing a numeral or operation key results in random numerals in the display and may turn on the overflow lamp. Internal test-mode switch seized. | Fully functional (22 Jan 2001). | |
| Victor 9840628 |
1976 (IC stamped with 7628) | Good physical condition. Fully functional. | Fully functional (May 2000). | |
| Olympia 0428711 |
1974 (IC stamped with 7403) | Good physical condition, functional. | Fully functional (May 2000). | |
| Sharp 810591T |
1968 (transistors stamped with 8K, capacitor with 6749) | Minor scratches, functional. | Fully functional (Jul 2000). | |
| Victor 4173-594 |
1971 (Integrated circuits stamped with 7140 to 7147) | Very grubby from storage in industrial warehouse. Non-functional. | Fully functional (31 Jan 2001). | |
| Hewlett-Packard 1529A01234 |
1976 (ICs stamped with 7609) | Functional except for gooey rubber on tape drive wheel. | Functional except tape drive (15 Feb 2007). | |
| Hewlett-Packard 9872A Plotter: 1742A01137 |
1977 (transistors stamped with 7739) | Not tested. Electrostatic hold-down sheet on platen is partially loose. | Functional (17 Feb 2007). | |
| Toshiba C56128 |
1972 (TMS 0105 IC stamped with 7209, display tubes stamped with 2D.) | Good physical condition. Internal power-line fuse blown. | Fully functional (Mar 2001). | |
| Toshiba K66028 |
1972 (TMS 0112 IC stamped with 7235, capacitor with 7228, case stamped with 47.5.8 or 47.8.5.) | Crack in case. Functional. | Fully functional (08 Jul 2001). | |
| Lloyd's (not specified) |
1973 (ICs stamped with 7307.) | Rather grubby. Window in front of display presumed to be missing. LCD display has a bubble in it, leaving several digits only partially active. | Functional except for LCD display problem (09 May 2001). | |
| Sharp 31000977 |
1973 (ICs stamped with 3E,3F, tubes with 36C) | Fair physical condition. Plastic tabs on bottom of case holding line cord strain relief and one screw in place broken off but still present inside case. Fully functional. | Fully functional (10 May 2001). | |
| Sharp 3001464 |
1973 (ICs stamped with 3A and 3D, tubes with 3DC) | Good physical condition. Fully functional. | Fully functional (Nov 2001). | |
| Rapidman 11456 |
1972 (ICs stamped with ?.) | Missing display window/bezel. LCD display has a bubble in it, leaving several digits only partially active. | Functional except for display bubble (02 Jun 2001). | |
| Rapidman 10499 |
1972 (ICs stamped with 15311:7250, 10417:7308,7308.) | Good physical condition. LCD display has a bubble in it, all segments are active except for decimal point of digit 2. | Fully functional except for decimal point of digit 2 (23 Jun 2001). | |
| Lloyd's ? |
1983 (IC stamped with 8319, keyboard with 58.8.23) | Good physical condition. Fully functional. | Fully functional (08 Jul 2001). | |
| TA AG 78706876 |
1984 (IC stamped with 4B 45, display with 4F) | Good physical condition, functional, missing one 'knob' for slide switch. | Fully functional (04 Jul 2001). | |
| Wang 201034 |
1970 (Display board stamped with Sep 30 1970, nixie tubes stamped with 7019, microswitches with 6833, RCA transistors with 9A, 0H, 0F, bottom plate with 12/10/69) | Good physical condition. Missing the external logic unit. | Needs external logic unit (24 Jun 2001). | |
| Wang 201062 |
1969 (Nixie tubes stamped with 6718 to 6916) | Excellent physical condition. Missing the external logic unit. | Needs external logic unit (24 Jun 2001). | |
| Hewlett-Packard 1622A04584 |
1977 (ICs stamped 7735. ICs on top two boards stamped with 8035 - unit may have been upgraded) | Partially dismantled. | Fully functional except state of tape drive unknown (26 Mar 2002). | |
| Hewlett-Packard 1014A00435 |
1980 (shipping sticker dated 17 Sep 1980) | Partially dismantled. | Fully functional except state of tape drive unknown (22 Mar 2002). | |
| Hewlett-Packard 1003A13784 (Jurgen's 9825A) |
1980 (shipping sticker dated 21 May 1980) | Partially dismantled. | Fully functional except for tape drive (29 Mar 2002). | |
| Commodore P01258 |
1973 (Integrated circuit stamped with 7320) | Rather grubby. Functional. | Fully functional (09 Jul 2003). | |
| Casio (unknown) (boards and cage stamped with 7530) |
1968 ? (some components stamped with 8F and such) | Missing case and power supply. Wire harnesses from logic chassis to keyboard cut. Digit 12 (3rd from left) Nixie tube broken. | Fully functional (22 Oct 2007). TO DO: consider relacing 12V bridge rectifier, currently runs somewhat hot. | |
| Wang BB 1046 |
1972 (Board stamped with 31 January 1972) | Received as 3 parts, main chassis, ROM board and keyboard. Missing case, printer and tape drive. -12V regulator transistor dented. ROM has at least one broken wire. Complete model number is 520-14-T-P. Also marked with Canada Agriculture 128516. | Fully functional, except tape and printer operations cannot be tested (26 Mar 2005). | |
| Canon 122900 |
1969 (Most integrated circuits stamped with 6901-6914, ICs on board 2 a little later: 6946 latest.) | A little grubby, some corrosion on steel sheet surfaces and on numerous screws. Several of the PCBs appear to have seen repairs by resoldering of many of the connections. Operation results are incorrect when first powered up. OK after warming up for awhile. SQRT(2) initially resulted in 1.417... | Fully functional. Unit occasionally refuses to perform arithmetic operations although numeral entry is possible. Memory lamps occasionally come on spontaneously. Seems to be a result of a 'slip' in the delay line or problems around the WA bit path. (25 Jan 2005). | |
| Victor 4485-456 |
1973 (Integrated circuits stamped with 7128 to 7306) | Good physical condition. Problems with display. | Fully functional (24 Feb 2004). Returned to owner 26 Feb 2004. | |
| Casio ? |
1970 ("0K" stamped on IC) | Non-functional. Display presents all-zeroes with all decimal points lit. Numeral keys are not entered in the display. | Fully functional (Jan 2007). | |
| (48 items) |
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Desktop Units Source & Status
Calculators | Integrated Circuits | Displays | Simulations EEC |
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