1849 407 Face airing, the current passed round the extremity of the workings.
1883 W. S. Gresley 99 Face airing, that system of ventilating the workings which excludes the airing of the goaves.
1951 H. F. Bulman & R. A. S. Redmayne (ed. 5) 10 About 1760 his son, James Spedding, introduced ‘coursing the air’ in place of ‘face airing’.