Transactions of the Royal Geological Society of Cornwall, Vol 10, p142 - 145
| On a new method of ventilating ‘Ends’ by compressed air, W Teague, Jnr, X: 142-145, 1882. |
| On a new method of ventilating ‘Ends’ by compressed air, W Teague, Jnr, X: 142-145, 1882. |