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

125 years of Black music-making in Britain.—Series 75, Detling 10
Duration: 05:15
Christina brews up a real puzzler for fairgoers in Shepton Mallet.—Series 75, Shepton Mallet 11
Duration: 04:42
The Brighton artist breathing new life into forgotten figurines.—Series 75, Ardingly 16
Duration: 04:43
It’s not an antique pepper pot, nor is it a salt shaker or a sugar caster. What is Eric’s mystery object?—Series 75, Southwell 26
Duration: 04:21