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Longwall maingate, John Darling Colliery, Belmont NSW, Australia. On the left is a joy car puller used to drag the pantechnigon (longwall transformer). Information supplied by Graeme Jennings.
![Longwall maingate, John Darling Colliery, Belmont NSW, Australia. On the left is a joy car puller used to drag the pantechnigon (longwall transformer). Information supplied by Graeme Jennings.](https://history.lakemac.com.au/images/dynamic/history/lh-1226-950.jpeg)
Photo Ref: 1224
This work by Lake Macquarie City Library is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License
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