Sectional model of an electro-mechanical desktop calculator, National Class 31 accounting machine, wood / metal, maker unknown, Australia, 1965-1978
This is an exploded section of a National Class 31 Accounting Machine, used as a didactic display model. The Class 31 was a versatile machine; it could be put to service in all accounting fields.
This machine is marked: 'This model is the property of L. Halamy. F. E. D. N. C. R. H. Office North Sydney. This cutaway model of the basic class 3000 31, 32 and 37 A accounting machine has been used as a teaching aid in the technical school between years 1965 - 1978 in Turella'.
This model is the property of L. Halamy. F. E. D. N. C. R. H. Office North Sydney