Will this Comptometer add up for the reds?

The reds stumble across this early calculator at Peterborough’s East of England showground.

22 February 2016

1 minute

This clip is from

Bargain Hunt—Series 43, Peterborough 11

Do you have a handle on this silver Victorian implement?—Series 74, Detling 7
Duration: 03:26
Raymond Mays put Britain at the forefront of motorsport in the 1950s and 60s.—Series 74, Kingston 21
Duration: 05:22
150 years ago, the best-selling sauce in the world wasn't ketchup.—Series 74, Wetherby 4
Duration: 05:12
This Devon pub closed its doors in the 1960s and never reopened.—Series 74, Hele 12
Duration: 04:51