11. The revolving disc which carries the spoil 5 or 6ft. clear of the side of the drain, leaving plenty of room" for the machine to operate in successive runs along the drain. 12. The discharge of spoil from the Lewis drain digger. Note: Both the cutting discs and the conveyor disc work by friction only. There are no gear-driven parts on the machine.
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https://paperspast.natlib.govt.nz/periodicals/NZJAG19470115.2.45.6
Bibliographic details
New Zealand Journal of Agriculture, Volume 74, Issue 1, 15 January 1947, Page 85
Word Count
6411. The revolving disc which carries the spoil 5 or 6ft. clear of the side of the drain, leaving plenty of room" for the machine to operate in successive runs along the drain. 12. The discharge of spoil from the Lewis drain digger. Note: Both the cutting discs and the conveyor disc work by friction only. There are no gear-driven parts on the machine. New Zealand Journal of Agriculture, Volume 74, Issue 1, 15 January 1947, Page 85
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