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Manufacturer Model Serial Number |
Year of Manufacture | Date of Receipt | State upon Receipt | Current State |
---|---|---|---|---|
Sears 210555 |
1973 (LC1552 IC stamped with 7341, others ICs with 7339, 7343.) | Good physical condition, minor scuff marks on top. Functional. | Fully functional (2020 Mar). | |
Lloyd's 5H-82004 |
1975 (IC stamped with 562N, display with 5J.) | Good physical condition except battery connectors corroded. Fully functional. | Not functional. Failed switching transformer (2020 Feb). Fully functional (2001 Mar 18). | |
Lloyd's 8-19895 |
1974 (IC stamped with 7448.) | Good physical condition except neg. battery connector corroded. Some corrosion on power jack from battery potential. Functional. | Functional (2020 Feb, 2008 Mar 17). | |
Casio (unknown) |
1974 (other web site info) | Functional. | (Case and keyboard discarded.) | |
Hewlett-Packard 1607S20660 |
1976 (ICs and caps stamped with 7605,7614) | Brand new. | Fully functional (12 Jun 2000). | |
Casio 5D406A |
1985 | Brand new. | Fully functional (Nov 1985). | |
Casio 5P110A |
1985 | Brand new. | Non-functional (broken internal connection) (2000). | |
Rockwell 408873 |
1975 (IC stamped with 7546) | Brand new in box, except it's old. | Fully functional (2000). | |
apf M-165620 |
1975 (IC stamped with 7538, display stamped with 7536) | Excellent physical condition. Appears to be NIB or rarely used. Fully functional. | Fully functional (29 Apr 2000). | |
apf M-0326843 |
1975 (MK50282 IC stamped with 7551, T1347 with 5·I) | Excellent physical condition. Fully functional. | Fully functional (21 Jun 2001). | |
Microlith (not specified) |
1976 (IC stamped with 7615.) | Good physical condition. Slightly bouncy/intermittent keyboard, otherwise fully functional. Marked with 702... SIN. | Fully functional (13 Mar 2001). | |
Microlith (not specified) |
1976 (IC stamped with 7615.) | Good physical condition. Missing front 2 tiny rubber feet. Non-functional. | Fully functional (15 Mar 2002). | |
XONEX 13343 |
1973 (IC stamped with 7332.) | Good physical condition. Fully functional, with manual. | Functional but intermittent/unreliable (2020 Feb). Fully functional (24 Apr 2001). | |
Texas Instruments (not specified) |
1979 (IC stamped with 7940, plastic bottom stamped with 45 79.) | Good physical condition. Fully functional. | Fully functional (24 Apr 2001). | |
Texas Instruments 3087665 |
1981 (IC stamped with 8048, plastic bottom stamped with ATA 2181.) | Good physical condition. Fully functional. | Functional (2020 Feb). | |
Texas Instruments 6492612 |
1979 (plastic bottom stamped with ATA 4579.) | Fair physical condition, metallisation on plastic trim worn. Missing battery door. | Functional (2020 Feb). | |
AGS 5710342 |
1975 (Capacitor stamped with 7519, display with 5F.) | Good physical condition. Fully functional. | Fully functional (01 May 2001). | |
Hewlett-Packard 2124S31271 |
1981 (serial number 21xx.) | Good physical condition. Minor corrosion around battery contacts. Fully functional. | Fully functional if batteries present (26 May 2001). | |
Hewlett-Packard 2021S31302 |
1980 (serial number 20xx.) | Good physical condition. Fully functional. | Fully functional (03 Aug 2014). Battery compartment door moved to HP34C. | |
Casio 4109659 |
1975 (IC stamped with 5A.) | Good physical condition. Fully functional. | Fully functional (05 May 2001). | |
Sharp 88105287 |
1978 (Capacitor stamped with 7806, IC with 8F.) | Good physical condition. Fully functional. | Fully functional (07 May 2001). | |
Texas Instruments 618408 |
1975 (TMS0601 IC stamped with 7536.) | Good physical condition. Segment 'a' of digit 6 does not work. Minor corrosion on battery terminals. This unit uses 75494 digit driver ICs also stamped with 27914. The 75493 segment drivers are absent. | Fully functional except for segment a of digit 6 (03 May 2001). | |
Texas Instruments 365091 |
1975 (TMS0601 IC stamped with 7505.) | Good physical condition. Segment b of digit 8 (MSD) does not work. Minor corrosion on battery terminals. | Fully functional except for segment b of digit 8 (16 Mar 2002). | |
Texas Instruments 3578622 |
1977 (IC stamped with 7745, plastic bottom stamped with LTA 0178.) | Good physical condition. Not functional. | ? | |
apf J-104455 |
1975 (IC stamped with 7552, keyboard stamped with 51.2.17 .) | Good physical condition. Some rust on battery clip. Fully functional. | Fully functional (14 May 2001). | |
Lloyd's 5F-124929 |
1975 (IC stamped with 7523, keyboard with 50.7.17 .) | Fair physical condition. Paint worn off on sides. Fully functional. | Fully functional (16 May 2001). | |
Sanyo 5021133 S |
1973 (TMS0101 IC stamped with 7303.) | Good physical condition. Fully functional. Missing power adapter with special connector. | Fully functional (24 Feb 2008). | |
Texas Instruments SR-11539355 |
1974 (SN75494 ICs stamped with 7410.) | Good physical condition except for corrosion on battery connectors. Functional. | Fully functional (30 May 2001).
Flags digit with mantissa sign faulty (30 Nov 2022). |
|
Unitrex A57K63843 |
1975 (A4130 IC stamped with 7520, T1347 with 5D.) | Good physical condition. Fully functional. | Fully functional (17 Mar 2001). | |
Casio 2040048 (inside) |
1979 (IC stamped with 9G 43.) | Good physical condition. Fully functional. | Fully functional (18 Mar 2001). | |
Novus 114961 |
1975 (MM5737 IC stamped with 513, DM8864 with 520.) | Good physical condition. Fully functional. | Fully functional. Needs new battery clip and power connector nut (18 Mar 2001). | |
Commodore 95605 |
1977 (IC stamped with 1977.) | Good physical condition. Functional. | Fully functional (28 May 2001). | |
Digimatic 113467 |
1973 (15332 IC stamped with 7341, others ICs with 7319, 7329.) | Fair physical condition, scratch marks on aluminum faceplate. Some corrosion from batteries. Functional. Missing power adapter with special connector. Rechargeable battery pack had been removed. | Fully functional (2020 Feb) (27 May 2001). | |
Keystone C377258 |
1974 (IC stamped with 7401, display with 7340.) | Good physical condition. Fully functional. | Fully functional (31 May 2001). | |
Digimatic 118685 |
1974 (A4001 IC stamped with 7426, others ICs with 7411, 7413, 7414.) | Fair physical condition, original power connector had been removed and a hole made in the side for a new connector. Functional, except "L" low battery indicator always on. Rechargeable battery pack had been removed. | Fully functional (2020 Feb) (28 May 2001). | |
Royal 82 21574 |
1972 (IC stamped with 7233, display with 2K.) | Good physical condition. Missing power adapter with special connector. Rechargeable battery pack had been removed. | Fully functional (2020 Feb) (23 May 2001). | |
TwinScents (irrelevant) |
1975 presumably, based on the similarity to the apf 40 of 1975. | Never used (thankfully). Still surfeit with fragrance after a quarter of a century. | Never used (24 May 2001). | |
Philips 010499 |
1975? (ICs stamped with 523 and 525.) | Good physical condition. Functional. | LED display has several in-operative segments due to the poor connection of the segment wires to the display busses (31 May 2001). | |
RT (not specified) |
1977 (IC stamped with 7721 or /721.) | Good physical condition. Fully functional. | Fully functional (01 Jun 2001). | |
Texas Instruments 0002755 |
1979 (IC stamped with 7936, PCB with 7938, plastic bottom stamped with ATA 4179.) | Excellent physical condition. Fully functional. | Fully functional (19 Jun 2001). | |
Texas Instruments 6709537 |
1978 (plastic bottom stamped with ATA 3978.) | Excellent physical condition, except corrosion on battery pack and 9V connector. | ||
Sharp 67215332 |
1976(?) (T3287 IC stamped with 6A.) | Good physical condition. Minor corrosion from batteries. Fully functional. | Fully functional (19 Jun 2001). | |
Digimatic 112785 |
1975 (IC stamped with 7505.) | Good physical condition. Fully functional. | Fully functional (12 Jul 2001). | |
Digimatic 121829 |
1975 (LC1552F IC stamped with 7519, keyboard stamped with 50.5.26.) | Good physical condition. Fully functional. | Fully functional (11 Jun 2002). | |
Keystone C248340 |
1974 (IC stamped with 7422, display with 7416.) | Fair physical condition, some rust stains inside, seemingly from something spilled in it. Erratic display, segment a does not work. | Non-functional (29 Sep 2001). | |
Sharp 63204964 |
1976 (IC stamped with 6D.) | Good physical condition. Fully functional. | Fully functional (09 Jul 2001). | |
Commodore G12950 |
1972 (batteries stamped with 7232) | Good physical condition, minor corrosion on some screws and printed circuit traces. | Fully functional (2020 Feb) (14 Mar 2002). | |
Casio 4142022 |
1975 (power supply module (Fuji MPS 0605) stamped with 5A-17) | Fairly beat up, missing battery cover plate. | Functional (14 Jul 2003). | |
Novus 1012552 |
1975 (ICs stamped with 524 and 523.) | Wet from rain but otherwise good physical condition. Non-functional. | Functional except LED display has 4 in-operative segments due to the poor connection of the segment wires to the display busses (05 Apr 2005). | |
Hewlett-Packard 1247A29099 |
1973 (IC date code 7315) | Good. Functional. | Functional except intermittent operation when switched on (battery contacts or power switch) (Aug 2014). | |
National Semiconductor not present |
1977 (PCB stamped with M764) | Good. Functional. | Functional (03 Aug 2014). | |
Hewlett-Packard 2032S31994 |
1980 (serial number 20xx.) | Good. Missing battery compartment door. Minor copper corrosion in vicinity of batter contacts. Segment c not displaying. | Fully functional (03 Aug 2014). | |
LogicData 000218 |
1972 (IC stamped with 721*) | 4 NiCd cells still present. Some battery corrosion on PCB. IC identification disappearing, appears to be from battery off-gassing. Only discernible lettering is EC14 on one IC and 721 on other. This simply wiped off. Otherwise good condition. | Not functional. One IC of chip-set appears to have failed (2020 Feb). Needs cleaning (Sep 2015). | |
Texas Instruments 2779138 |
1981 (plastic bottom stamped with ATA 0981.) | Good physical condition. | ? | |
Texas Instruments 2775995 |
1981 (plastic bottom stamped with ATA 0981.) | Good physical condition. | ? | |
(55 items) |
Pocket Units Source & Status
Calculators | Integrated Circuits | Displays | Simulations EEC |
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