#FlashbackFriday During WW1 Edgar Duerr invented and patented a collapsible pocket periscope for use by soldiers in the trench warfare.
Read moreDuerr’s recently joined The Joshua Tree charity to start work on a new adventure playground in Cheshire designed specifically for
Read moreInspired by Great British Bake Off, Duerr’s, the oldest family owner jam maker’s in the UK, has decided to show
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