|Continue-Flo Products. Burlington, Ontario. 1961 Catalogue.|
The "Care of Screwdrivers" advice above is worth following.
Below, other Gray-Bonney tools:
The Gray Tool Company of Toronto, Ontario partnered with the Bonney Forge & Tool Works of Allentown, Pennsylvania from 1930 until 1961, the same year as the catalogue entry above. Bonney disappeared after being absorbed by the Kelsey-Hayes Corporation in 1964, but Gray is still a going concern.