Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 130,457 pages of information and 207,683 images on early companies, their products and the people who designed and built them.
Petrie and McNaught of Crawford Street, Rochdale.
1927 See Aberconway for information on the company and its history.
1933 Advert - Refuse Disposal Plant P&M System.
1936 Washing and drying machinery for textile industry. 
1961 Manufacturers of washing and drying machines, green crop and grain drying plants, baling presses for scrap metals and complete carbonising plants. 233 employees.