Calow, Dodworth & Co was listed in a Sheffield directory in 1797 as a table knife manufacturer at Barley Field. The trade mark was ‘CALOW DODWORTH TONI’. Charles Calow was likely to have been a partner. The apprenticeship records of the Company of Cutlers – compiled by Leader (1905-06)1 – contained details of a Charles Calow. He was the son of John, a cutler, and was trained by Christopher Oates (possibly at Hollis Croft). Charles was granted his Freedom in 1795....