Image for Web Exclusive: Secret tanks

Web Exclusive: Secret tanks

Duration: 05:26

The story of a grandfather who took his top secret work building tanks to the grave.

Available since: Sun 6 Apr 2014

This clip is from

Antiques Roadshow Series 36, World War I Special 1

16/26 The first of two specials marking the centenary of the outbreak of World War I.

First broadcast: 06 Apr 2014

Image for World War I Special 1 Not currently available on BBC iPlayer

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