From: Alex Knight |
| From: David Green Subject: Olivetti Logos 250 Date: January 29, 1998 Alex The Olivetti 250 was advertised in The Scientific American, June 1971, with the following blurb: "Olivetti's world leading printing calculators go electronic. Olivetti launches the new Logos electronic printing calculators. Olivetti calculating is printing calculating, which produces clear documentary information. Olivetti printing calculators have won the leadership of the world market, where they are in the forefront. Today Olivetti has made printing calculating electronic. Simplified Olivetti machines print and calculate, and make electronic calculating available to everyone. The new Logos class electronic printing calculators incorporate the three basic developments that Olivetti represents all over the world. These are printing technology, electronics for information, and design of logical systems with keyboards reflecting human language. OLIVETTI LOGOS 250-270 3 operational registers - 2 registers (3 for Logos 270) for accumulations and/or storage - Capacity: 22 digits, plus decimal point, plus sign - Automatic product and quotient accumulation - Automatic program for percentage mark-up and mark-down (in Logos 270, also automatic square root and automatic squaring and raising to a power) - Automatic round-off of products Automatic decimal control of results from 0-15 places" If you look again, there is a single line display at the top left hand side above the keyboard. Maybe somebody knows the chronology of all the Logos calculators? I have a "Trouble Shooting Guide" dated October 1968 for a Logos 328, so that model predates the 250 & 270. I also have a reference to a Logos 27-1 dated April 1969. The numbering system doesn't seem to make much sense! Regards David Green |
| From: Frank
Boehm Subject: Anybody have info. on Olivetti Logos 250? Date: January 29, 1998 Hi! I don't expect this list to be complete, but here is a certain order: programma 101 1966-1974 programma 102 1968-1974 Logos 328 -1970 Logos 240 -1973 Logos 245 -1973 Logos 250 -1973 Logos 270 -1973 Logos 55 -1974 Logos 58 -1974 Logos 59 -1974 Logos 68 -1974 Divisumma 18 -1974 Divisumma 28 -1974 The Logos 27-1 and 27-2 were no electronic calculators, they were electro-mechanical. Is I remember it right (and a display isnt mentioned in all the catalogues) all models are without a display, what looks like a display may be a display for the current digit. Bye Frank |
| From: David Green Subject: Olivetti Logos 250 Date: January 29, 1998 Hi Frank I stand corrected. The photo is not very clear but what I thought was a one line display is more likely a nameplate. The start dates for the 250 and 270 should be 1971 I think, given the ad in the Scientific American dated June 1971. There is an ad in the September 1971 Scientific American for the "Olivetti P602". It is advertised as "a logical extension of the Programma 101". It also says, "In 1965 we introduced the Programma 101" - a bit earlier than your 1966. Regards David |
| From: Jay Respler Subject: Anybody have info. on Olivetti Logos 250? Date: January 29, 1998 On Thu, 29 Jan 1998, david green wrote: >> It's larger than a typical desktop calculator, with a printer mounted on the left side and no display. > If you look again, there is a single line display at the top left hand side above the keyboard. No, there's no display. It seems you're referring to the insert in the case where the name/model is located. > Maybe somebody knows the chronology of all the Logos calculators? I do. > I have a "Trouble Shooting Guide" dated October 1968 for a Logos 328, so that model predates the 250 & 270. Yes. The 328 was about the size and shape of a cash register. Then came 240, 245 ( I think those were the numbers). Later regular size machines came out, Logos 40 41 42 43 45 47 75 7 9 etc. > I also have a reference to a Logos 27-1 dated April 1969. The numbering system doesn't seem to make much sense! I think that was the huge mechanical monster calculator. Only 1 person in NY area worked on that. Olivetti tried to get that off the market giving huge trade in allowances. It came out before it was realized that electronics would take over from mechanical machines. I would be interested in seeing illustrations of the 328 and 27. Jay Respler |
| From: Jordin
Kare Subject: Anybody have info. on Olivetti Logos 250? Date: January 30, 1998 Frank Boehm wrote: > "If I remember it right (and a display isnt mentioned in all the catalogues) all models are without a display, what looks like a display may be a display for the current digit." I had several of these. The low end versions had no display at all. The high end versions did have a display, vacuum fluorescent if I recall correctly. The description in an earlier message reminded me that they carried lots of digits (22?). The printers were an odd technology with one "dot" (solenoid driven wire) per two character positions; the print tips were driven horizontally back and forth by a cam mechanism, printing one line of dots at a time. Jordin Kare |
| From: Jay Respler Subject: Anybody have info. on Olivetti Logos 250? Date: January 30, 1998 I think you [Jordin] have the Logos 250 confused with the Logos 40 series dot matrix calculators. (I have parts and ribbons for all these machines if anyone needs). Jay Respler |
