Statements (13)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:calculator | 
| gptkbp:countryOfOrigin | gptkb:Italy | 
| gptkbp:designedBy | gptkb:Marcello_Nizzoli | 
| gptkbp:introducedIn | 1950s | 
| gptkbp:manufacturer | gptkb:Olivetti | 
| gptkbp:mechanismOfAction | mechanical | 
| gptkbp:notableFor | design and reliability | 
| gptkbp:successor | gptkb:Olivetti_Summa_15 | 
| gptkbp:type | gptkb:calculator | 
| gptkbp:usedFor | arithmetic calculations | 
| gptkbp:bfsParent | gptkb:Olivetti_calculators | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Olivetti Summa 27 |