1. Boiler operator's handbook. (2020) Authors: Heselton, Kenneth E, 1943- Editors: Heselton, P.E Record Type: Book Extent: 1 online resource, illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Boiler operator's handbook. (2021) Authors: Buzzuto, Carl Other Names: Heselton, Kenneth E, 1943- Record Type: Book Extent: 1 online resource, illustrations (black and white, and colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗