ADDI-CALCO SN 101811 (W.Irler)
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1 Maschinendaten
Modell............: Addicalco
Hersteller*.......: ACCA (Addizionatrici, Calcolatrici, Contabile e Affini)
Ort, Land.........: Milano, Italien
Rechnertyp........: Simplexmaschine
Maße (LxBxH)......:
Maße (LxBxH)......:
Gewicht...........:
Stellen (EWxUWxRW): 8x9, 10x11, 12x13
Eingabe mit.......: Volltastatur
Ausgabe mit.......: Anzeigeeinrichtung
Antrieb...........: Tastenantrieb
Löschung..........:
System............: Schaltschwinge
Farbe(n)..........:
Material..........:
Produziert........: von 1946 bis 1968(?)
2 Beschreibung
Besonderheiten....: Nur Addition; (Ergänzungszahlen)
3 History
After WW2, ACCA bought old tool press gear used for the Comptometer model 'J' and started Addicalco production. Then first 1946 model was quite identical to Comptometer J, looking at image only cleanig lever differs. In following models some improvements was added. AER model has a shape similar to Comptometer M. Model 66 introduced a mechanism called Comprex to graduate pressing on keys.
In 1988 company changed his name in 
Addicalco Concessionaria S.r.l. (http://www.addicalco.it) and it is still existing.
4 Varianten
Model............: 46/47
Capacity.........: 8x9, 10x11, 12x13
Drive............: Manual key driven
Case.............: similar to Comptometer J
.................: see: 
[1] (http://www.dallabacoalcomputer.it/immagini/p-33.jpg)
Production years.: since 1946 until 1948(?)
Seriennummern....: 101811
Addicalco 46/47 (aus Prospekt)
Addicalco 1947 Reklame
Model............: 49 AER
Capacity.........: 8x9, 10x11, 12x13
Drive............: Manual key driven
Case.............: new case, simplified subtraction, small keys
Production years.: since 1949 until 1953(?)
Serial numbers...: 104974, 104975.
Addicalco 49 (Office Appliances 1950)
Addicalco 49-AER (Celli)
Model............: 60
Capacity.........: 8x9, 10x11, 12x13
Drive............: Manual key driven
Case.............: new big keys
Production years.: since 1949 until 1953(?)
Serial numbers...: 107531, 107532, 107535, 107536, 107537, 107539
Addicalco 60 (Haertel)
Model............: 66
.................: as model 60, + "Comprex"
Capacity.........: 10x11; 12x13
Production years.: since 1964 until ...
Serial numbers...:
Addicalco 66 (IBE 1965)
Addicalco 66 (IBE 1965)
Model............: 70
.................: double totalizer, direct subtraction (1954/55)
Capacity.........: 12x13
Drive............: electric
Case.............: new big keys
Production years.: since (1954) until
Serial numbers...:
Addicalco 70 (Werbung 1954)
Model............: 77
.................: 12x13; electric; double totalizer.
.................: as modell 70, + "Comprex
Production years.: (1968)
5 Literatur
- Blaue Liste 1969: bis 1966
- Hennemann 1953
- Brunsviga Liste 1958: div. Modelle
- IBE 1965
6 Patente
7 Weblinks
- Historical images on Addicalco website (http://www.addicalco.it/museo/framesetmuseo.htm)
- C. Torchio Addicalco (http://typewriter.gammac.net/Default.aspx?tabid=71)
- http://johnwolff.id.au/calculators/comptometers/comptometers.htm