This fonds consists of the records of the Cobourg foundry. It includes journals, ledgers, correspondence, accounts, pay lists, bills, receipts, contracts and specifications of jobs done as kept by James Davidson, founder and machine shop operator. There is also some correspondence from A. Munson of Oil Springs, Canada West relating to the oil industry, as well as correspondence from Henry Fowlds with regards to work done and payment of accounts.

The fonds consists of family and related papers of Henry Fowlds and his family including James S. Fowlds and H.M. Fowlds. It also includes business correspondence, invoices, some journals and cashbooks, mortgages as well as deeds regarding the business of Henry Fowlds, Jas. S. Fowlds and Bros. and H.M. Fowlds. In December 2001, Trent University Archives launched an online exhibit which depicts Helen Fowld's experiences in World War I. All her letters and diaries are transcribed and are found at the following site: [Nursing Sister Helen L. Fowlds: A Canadian Nurse in World War I.]: http://digitalcollections.trentu.ca/exhibits/fowlds/