Working demonstration of barrel calculating machine mechanism

Made:
1978-1980 in London
modifier:
Science Museum

Working demonstration of barrel calculating machine mechanism, constructed in Museum

Details

Category:
Mathematics
Object Number:
1987-650
Materials:
metal (unknown), brass (copper, zinc alloy), wood composites and plastic (unidentified)
Measurements:
overall: 342 mm x 410 mm x 480 mm,
type:
model (calculating machine)
credit:
Science Museum (Great Britain)