Historical information

This calculator is like a modern calculator style keypad with a traditional pinwheel calculator. In operation it is similar to other Facit machines. The design from the 1930s was produced without interruption with only slight modifications until the early 1970s.This one hasn't a serial number or Model Number so date is unknown but probably the 1940s - 1950s when the SEC were constructing the Kiewa Hydro Electric Scheme.

Significance

Used by the SEC Office Staff when the SECV were constructing the Kiewa Hydro Electric Scheme

Physical description

Box shape with grey steel top and sides on a black base. Three thin strips of stainless steel embossed with numbers on the top and clear panels beside them. Front has 3 red and 10 black knobs with arrows on the red and numbers on the black. Sides have stainless steel pedals and winders. The machine is very heavy.
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Inscriptions & markings

'Facit' on the front.