1872 8 June 14/1 Railway Wheel Machinery, including..quenching trough.
1896 F. S. Meyer ii. 19 In the front part of the forge are found, as a rule, a quenching trough, hollows and receivers for fuel and slack.
2005 D. Cruickshank 78 In the workshop are a forge, a quenching trough and a small but beautiful Shinto shrine.