Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Fortress of Suomenlinna' has mentioned 'Factory' in the following places:
Occurrence Sentence Text Source
1921 Valtion lentokonetehdas (State Aircraft Factory) started building airplanes and powered ice sleighs in Suomenlinna for the Finnish Air Force.
In 1936 the factory moved to Tampere.