[Paper] 'The Stirlings of Methven and their amazing engine' / V. W. Goudie. 1986. [4p. ts. Includes diagram showing operation of the Stirling engine] Paper 'The Stirlings of Methven and their amazing engine' 1986
[Paper] 'The Industrial Archeology of the Land's End Peninsula' / D. Nance. 1976. [4p. ts.] The Industrial Archeology of the Land's End Peninsula 1976