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Boring flue holes in firebox tube plate

This was tricky because I was unable to mount the plate in the lathe chuck and use a boring bar. Also the position of the holes is such that the OD falls very close to the radiused edge of the plate. The boring head enabled me to get the exact hole size and position but soft copper is a pain to machine!

Uploaded by Tony Martyr on 05/02/2010 09:36:19

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