Fonds contains the business records of Robb Engineering Co. Ltd., including an engine record book (1893-1902); deeds, indentures and agreements (1879-1905); plans, catalogues and photographs (1890-1950); engines and boiler plans (1898-1956); engine and boiler specifications; patent records (1886-1923); engine and boiler registers; engine indexes (1893-1930); correspondence; and other records.
Fonds consists of research notes and materials on the history of Nova Scotia and, more specifically, Liverpool and its prominent families, including family trees and hand-drawn annotated maps. Also included are many manuscripts on a variety of topics relating to Tupper's historical research, ranging from John Cabot and the early explorers to lesser-known local events in the history of Nova Scotia. Also present is a small collection of personal diaries and copies of deeds and legal documents from the Tupper family.