Petrie and McNaught
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. 
1938 Made an incinerator for St. Ives (Cornwall). J. Walsh, Chief Engineer, attended the opening ceremony.
1961 Manufacturers of washing and drying machines, green crop and grain drying plants, baling presses for scrap metals and complete carbonising plants. 233 employees. 
Sources of Information
- The Textile Manufacturer Year Book 1936. Published by Emmott and Co. Advert on p64
- Cornishman, 31 March 1938
- 1961 Dun and Bradstreet KBE