Premier Cooler and Engineering Co
of Station Works, Shalford, nr Guildford
1909 Company established.
1914 Incorporated as a limited company.
1920 April. Issued catalogue on Premier wet-air filters or washers. 
1922 Frederick Augustus Yerbury was a director
Sources of Information
- The Engineer of 30th April 1920 p458
- The Engineer 1926/12/10
- 'Premier Cooler The Origins & History of The Premier Cooler & Engineering Co., Ltd. of Shalford, Surrey ' by Nigel Bond. Published by the Surrey Industrial History Group.