Boyd 1986, p. 16. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, p. 1. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, p. 17. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, pp. 75–8. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, Plate LII. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, Plates XXXVII-XXXIX. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, p. 52. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, p. 85. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, pp 51-5, Plates LIX & LX. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, Plate LXX. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, pp 82-5 & Plates LXXIA-LXXII. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, p.11 and Plate XLV. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, Plate XLV. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, pp. 55–63. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, pp. 79-80 & Plate XXVIII. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, Map DQ7, page 38. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, pp. 79–83. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, page 83 & Plate XXXV. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, p. 72. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, pp. 69–73. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, pp. 73–5. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.
Boyd 1986, p. 219. Boyd, James I. C. (1986). Narrow Gauge Railways in North Caernarvonshire, Volume 3: The Dinorwic Quarry and Railways, Great Orme Tramway and Other Rail Systems. The British Narrow Gauge Railway. Usk: The Oakwood Press. ISBN978-0-85361-328-2. OL8284745M. B5C.